Ellen Christine Leth Løkkegaard
Clinical Professor
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A Novel Approach to Predicting Early Pregnancy Outcomes Dynamically in a Prospective Cohort Using Repeated Ultrasound and Serum Biomarkers
Petersen, J. F., Friis-Hansen, Lennart Jan, Bryndorf, T., Jensen, Andreas Kryger, Andersen, A. N. & Løkkegaard, Ellen Christine Leth, 2023, In: Reproductive Sciences. 30, p. 3597–3609 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
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A new model of paired clinical teaching of international and Danish medical students
Cortes, Dina, Pinborg, Anja, Teilmann, Grete Katrine, Løkkegaard, Ellen Christine Leth, Andersen, Jesper, Westergaard, H. B., Andersen, S., Kling, J., Jørgensen, Finn Stener, Jørgensen, Inger Merete, Poulsen, J. H., Mola, G., Bergholt, Thomas, Pryds, O. & Nilas, L., Jul 2016, In: Danish Medical Journal. 63, 7, p. 1-5 5 p., A5244.Research output: Contribution to journal › Journal article › Research › peer-review
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A prospective cohort study of confirmed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection during pregnancy evaluating SARS-CoV-2 antibodies in maternal and umbilical cord blood and SARS-CoV-2 in vaginal swabs
Milbak, J., Holten, V. M. F., Axelsson, P. B., Bendix, J. M., Aabakke, A. J. M., Nielsen, L., Friis, M. B., Jensen, C. A. J., Løkkegaard, Ellen Christine Leth, Olsen, T. E., Rode, L. & Clausen, Tine Dalsgaard, 2021, In: Acta Obstetricia et Gynecologica Scandinavica. 100, 12, p. 2268-2277 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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A randomized controlled trial of AMH-based individualized FSH dosing in a GnRH antagonist protocol for IVF
Friis Petersen, J., Løkkegaard, Ellen Christine Leth, Andersen, L. F., Torp, K., Egeberg, A., Hedegaard, L., Nysom, D. & Nyboe Andersen, A., 2019, In: Human Reproduction Open. 2019, 1, p. 1-11 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Adherence to recommended physical activity restrictions due to threatened preterm delivery – a descriptive multi-center study
Bendix, J. M., Backhausen, M. G., Hegaard, Hanne Kristine, Rom, A. L., Mølsted, Stig & Løkkegaard, Ellen Christine Leth, 2023, In: BMC Pregnancy and Childbirth. 23, 59.Research output: Contribution to journal › Journal article › Research › peer-review
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Adhesive bowel obstruction: Incidence, recurrence and 30-day mortality in Danish women 1984–2013 – A national cohort study
Norrbom, C., Steding-Jessen, M., Agger, C., Osler, Merete, Krabbe-Sorensen, M., Rasmussen, S. C., Settnes, Annette, Nilas, L. & Løkkegaard, Ellen Christine Leth, 2020, In: American Journal of Surgery. 220, 4, p. 1044-1051 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Adolescent girls in Denmark use oral contraceptives at an increasingly young age, and with more pauses and shifts
Løkkegaard, Ellen Christine Leth & Nielsen, A. K., 2014, In: Danish Medical Journal. 61, 10, p. 1-4 4 p., A4936.Research output: Contribution to journal › Journal article › Research › peer-review
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Alvorlig komplikation i forbindelse med slankekur med humant choriongonadotropin
Thellesen, L., Jørgensen, L., Regeur, J. V. H. & Løkkegaard, Ellen Christine Leth, 21 Jul 2014, In: Ugeskrift for Laeger. 176, 30, p. 1410-1411 2 p.Research output: Contribution to journal › Journal article › Research › peer-review
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An autologous blood-derived patch as a hemostatic agent: evidence from thromboelastography experiments and a porcine liver punch biopsy model
Eskildsen, M. P. R., Kalliokoski, Otto, Bønnelycke, Marie, Lundquist, R., Settnes, Annette & Løkkegaard, Ellen Christine Leth, 2023, In: Journal of Materials Science: Materials in Medicine. 34, 5, 12 p., 20.Research output: Contribution to journal › Journal article › Research › peer-review
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Are Danish doctors comfortable teaching in English?
Nilas, L., Løkkegaard, Ellen Christine Leth, Laursen, J. B., Kling, J. & Cortes, Dina, 2016, In: BMC Research Notes. 9, 5 p., 420.Research output: Contribution to journal › Journal article › Research › peer-review
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Authors' Response: Interpretations of Trends in Incidence of Microscopic Colitis
Weimers, P., Vedel Ankersen, D., Bonderup, O. K., Løkkegaard, Ellen Christine Leth, Burisch, J. & Munkholm, Pia, 2021, In: Journal of Crohn's and Colitis. 15, 2, p. 344 1 p.Research output: Contribution to journal › Letter › Research › peer-review
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Autologous Blood-derived Patches Used as Anti-adhesives in a Rat Uterine Horn Damage Model
Eskildsen, M. P., Kalliokoski, Otto, Bønnelycke, Marie, Lundquist, R., Settnes, Annette & Løkkegaard, Ellen Christine Leth, 2022, In: Journal of Surgical Research. 275, p. 225-234Research output: Contribution to journal › Journal article › Research › peer-review
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Autologous blood-derived patches: a new means of preventing postsurgical adhesions
Eskildsen, M., Kalliokoski, Otto, Bønnelycke, Marie, Lundquist, R., Settnes, Annette & Løkkegaard, Ellen Christine Leth, 2022, In: Laboratory Animals. 56, S1, p. 188-188 PE13.Research output: Contribution to journal › Conference abstract in journal › Research › peer-review
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Balloon Catheters Versus Vaginal Prostaglandins for Labour Induction (CPI Collaborative): An Individual Participant Data Meta-analysis of Randomised Controlled Trials
Jones, M. N., Palmer, K. R., Pathirana, M. M., Cecatti, J. G., Filho, O. B. M., Marions, L., Edlund, M., Prager, M., Pennell, C., Dickinson, J. E., Sass, N., Jozwiak, M., Ten Eikelder, M., Rengerink, K. O., Bloemenkamp, K. W. M., Henry, A., Løkkegaard, E. C. L., Christensen, I. J., Szychowski, J. M., Edwards, R. K. & 9 others, , 2023, In: Obstetrical and Gynecological Survey. 78, 5, p. 255-257 3 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
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Balloon catheters versus vaginal prostaglandins for labour induction (CPI Collaborative): an individual participant data meta-analysis of randomised controlled trials
Jones, M. N., Palmer, K. R., Pathirana, M. M., Cecatti, J. G., Filho, O. B. M., Marions, L., Edlund, M., Prager, M., Pennell, C., Dickinson, J. E., Sass, N., Jozwiak, M., Eikelder, M. T., Rengerink, K. O., Bloemenkamp, K. W. M., Henry, A., Løkkegaard, E. C. L., Christensen, I. J., Szychowski, J. M., Edwards, R. K. & 9 others, , 2022, In: The Lancet. 400, 10364, p. 1681-1692 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Broad-Spectrum Antibiotic Treatment and Subsequent Childhood Type 1 Diabetes: A Nationwide Danish Cohort Study
Clausen, Tine Dalsgaard, Bergholt, Thomas, Bouaziz, O., Arpi, M., Eriksson, Frank, Rasmussen, S., Keiding, N. & Løkkegaard, Ellen Christine Leth, 25 Aug 2016, In: PloS one. 11, 8, p. 1-15 15 p., e0161654.Research output: Contribution to journal › Journal article › Research › peer-review
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Can oxytocin augmentation modify the risk of epidural analgesia by maternal age in cesarean sections?
Rossen, J., Klungsøyr, K., Albrechtsen, S., Løkkegaard, Ellen Christine Leth, Rasmussen, S., Bergholt, Thomas & Skjeldestad, F. E., Jul 2018, In: Acta Obstetricia et Gynecologica Scandinavica. 97, 7, p. 872-879 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Cell-free fetal DNA for genetic evaluation in Copenhagen Pregnancy Loss Study (COPL): a prospective cohort study
Schlaikjær Hartwig, T., Ambye, L., Gruhn, J., Petersen, J. F., Wrønding, T., Amato, L., Chi-Ho Chan, A., Ji, B., Bro-Jørgensen, M. H., Werge, L., Petersen, M. M. B. S., Brinkmann, C., Petersen, J. B., Dunø, M., Bache, I., Herrgård, M. J., Jørgensen, F. S., Hoffmann, E. R., Nielsen, H. S., Hartwig, T. S. & 24 others, , 2023, In: The Lancet. 401, 10378, p. 762-771 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Cesarean section trends in the Nordic Countries – a comparative analysis with the Robson classification
Pyykönen, A., Gissler, M., Løkkegaard, Ellen Christine Leth, Bergholt, Thomas, Rasmussen, S. C., Smárason, A., Bjarnadóttir, R. I., Másdóttir, B. B., Källén, K., Klungsoyr, K., Albrechtsen, S., Skjeldestad, F. E. & Tapper, A. M., 1 May 2017, In: Acta Obstetricia et Gynecologica Scandinavica. 96, 5, p. 607-616 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Characteristics and early outcomes of patients hospitalised for covid-19 in North Zealand, Denmark
Lendorf, M. E., Boisen, M. K., Kristensen, Peter Lommer, Løkkegaard, Ellen Christine Leth, Krog, S. M., Brandi, Lisbet, Brinth, L. S., Nolsöe, R. L. M., Ryrsø, C., Eiken, P., Bestle, Morten Heiberg, Jørgensen, Inger Merete, Pedersen-Bjergaard, Ulrik, Lindegaard, Birgitte, Christensen, T. B. & Fischer, T. K., 2020, In: Danish Medical Journal. 67, 9, p. 1-11 11 p., A06200428.Research output: Contribution to journal › Journal article › Research › peer-review
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Combined hormonal contraception and risk of venous thromboembolism within the first year following pregnancy. Danish nationwide historical cohort 1995-2009
Petersen, J. F., Bergholt, Thomas, Nielsen, A. K., Paidas, M. J. & Løkkegaard, Ellen Christine Leth, 3 Jul 2014, In: Thrombosis and Haemostasis. 112, 1, p. 73-78 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Commentary 2 re 'Oestrogen-progestin therapy is not cardio-protective in healthy postmenopausal women'
Løkkegaard, Ellen Christine Leth & Keiding, N., 2004, In: Evidence-based Healthcare. 8, p. 39-40Research output: Contribution to journal › Letter › Research
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Counselling on physical activity in Danish antenatal care: A qualitative study of experiences from both the pregnant woman's and the care provider's perspective
Brændstrup, N., Roland, Caroline Borup, de Place Knudsen, S., Bendix, J. M., Clausen, Tine Dalsgaard, Mølsted, Stig, Stallknecht, Bente Merete, Løkkegaard, Ellen Christine Leth & Jespersen, Astrid Pernille, 2023, In: Sexual and Reproductive Healthcare. 38, 9 p., 100902.Research output: Contribution to journal › Journal article › Research › peer-review
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Danish doctors' reactions to 'internationalization' in clinical training in a public university hospital
Kling, J., xgz472, xgz472, Løkkegaard, Ellen Christine Leth, Teilmann, Grete Katrine, Mola, G., Poulsen, J. H., Nilas, L. & Cortes, Dina, 2019, In: BMC Research Notes. 12, 6 p., 411.Research output: Contribution to journal › Journal article › Research › peer-review
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Disease Activity Patterns, Mortality, and Colorectal Cancer Risk in Microscopic Colitis: A Danish Nationwide Cohort Study, 2001 to 2016
Weimers, P., Ankersen, D. V., Lophaven, S., Bonderup, O. K., Münch, A., Løkkegaard, Ellen Christine Leth, Munkholm, Pia & Burisch, J., 2021, In: Journal of Crohn's and Colitis. 15, 4, p. 594-602 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Does fetal sex influence the risk of venous thrombosis in pregnancy? A cohort study
Virkus, Rie Adser, Mikkelsen, A. P., Lidegaard, Øjvind, Torp-Pedersen, Christian, Bergholt, Thomas, Rothman, K. J. & Løkkegaard, Ellen Christine Leth, 2023, In: Journal of Thrombosis and Haemostasis. 21, 3, p. 599-605 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Does luteal phase progesterone supplementation affect physical and psychosocial well-being among women undergoing modified natural cycle-FET? A sub-study of a randomized controlled trial
Colombo, C., Pistoljevic-Kristiansen, N., Saupstad, M., Bergenheim, S. J., Spangmose, A. L., Klajnbard, A., Freiesleben, Nina la Cour, Løkkegaard, Ellen Christine Leth, Englund, A. L., Husth, M., Breth Knudsen, U., Alsbjerg, B., Prætorius, L., Løssl, K., Schmidt, Lone & Pinborg, Anja, 2023, In: Human Reproduction. 38, 10, p. 1970-1980 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Double-balloon catheter for induction of labor in 362 women with and without prior cesarean section
Boisen, A. B., Løkkegaard, Ellen Christine Leth & Fuglsang, J., Oct 2019, In: European Journal of Obstetrics and Gynecology and Reproductive Biology: X. 4, 5 p., 100033.Research output: Contribution to journal › Journal article › Research › peer-review
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Early pregnancy reference intervals: 29 serum analytes from 4 to 12 weeks' gestation in naturally conceived and uncomplicated pregnancies resulting in live births
Friis Petersen, J., Friis-Hansen, L. J., Jensen, Andreas Kryger, Nyboe Andersen, A. & Løkkegaard, Ellen Christine Leth, 2019, In: Clinical Chemistry and Laboratory Medicine. 57, 12, p. 1956–1967 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Effects of Structured Supervised Exercise Training or Motivational Counseling on Pregnant Women's Physical Activity Level: FitMum - Randomized Controlled Trial
De Place Knudsen, S., Alomairah, S. A., Roland, Caroline Borup, Jessen, Anne Dsane, Hergel, I. M., Clausen, Tine Dalsgaard, Larsen, J. E., van Hall, Gerrit, Jensen, Andreas Kryger, Mølsted, Stig, Bendix, J. M., Løkkegaard, Ellen Christine Leth & Stallknecht, Bente Merete, 1 Jul 2022, In: Journal of Medical Internet Research. 24, 7, p. 1-13 e37699.Research output: Contribution to journal › Journal article › Research › peer-review
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Effects of Two Physical Activity Interventions on Sleep and Sedentary Time in Pregnant Women
Alomairah, S. A., Knudsen, S. D. P., Roland, Caroline Borup, Mølsted, Stig, Clausen, Tine Dalsgaard, Bendix, J. M., Løkkegaard, Ellen Christine Leth, Jensen, A. K., Larsen, J. E., Jennum, Poul & Stallknecht, Bente Merete, 2023, In: International Journal of Environmental Research and Public Health. 20, 7, 5359.Research output: Contribution to journal › Journal article › Research › peer-review
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Effects of prenatal exercise on gestational weight gain, obstetric and neonatal outcomes: FitMum randomized controlled trial
Roland, Caroline Borup, Knudsen, S. D. P., Alomairah, S. A., Jessen, Anne Dsane, Jensen, I. K. B., Brændstrup, N., Mølsted, Stig, Jensen, Andreas Kryger, Stallknecht, Bente Merete, Bendix, J. M., Clausen, Tine Dalsgaard & Løkkegaard, Ellen Christine Leth, 2023, In: BMC Pregnancy and Childbirth. 23, 1, 11 p., 214.Research output: Contribution to journal › Journal article › Research › peer-review
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Estimating the effect of current, previous and never use of drugs in studies based on prescription registries
Nielsen, L. H., Løkkegaard, Ellen Christine Leth, Andreasen, A. H., Hundrup, Y. A., Keiding, N., Nielsen, L. H., Løkkegaard, Ellen Christine Leth, Andreasen, A. H., Hundrup, Y. A. & Keiding, N., 2009, In: Pharmacoepidemiology and Drug Safety. 18, 2, p. 147-53 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Evidensbaseret tilgang til kontraception
Løkkegaard, Ellen Christine Leth, 6 Sep 2021, In: Ugeskrift for Laeger. 183, 36, 2 p.Research output: Contribution to journal › Editorial › Research › peer-review
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Exclusive breastfeeding: Relation to gestational age, birth weight, and early neonatal ward admission. A nationwide cohort study of children born after 35 weeks of gestation
Nejsum, F. M., Måstrup, R., Torp-Pedersen, Christian, Løkkegaard, Ellen Christine Leth, Wiingreen, R. & Hansen, Bo Mølholm, 2023, In: PLoS ONE. 18, 5 May, 16 p., e0285476.Research output: Contribution to journal › Journal article › Research › peer-review
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First-Trimester Exposure to Methylphenidate: A Population-Based Cohort Study
Pottegård, A., Hallas, J., Andersen, Jon Thor Trærup, Løkkegaard, Ellen Christine Leth, Dideriksen, D., Aagaard, L. & Damkier, P., Jan 2014, In: Journal of Clinical Psychiatry. 75, 1, p. e88-93 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Hormonal contraception and risk of venous thromboembolism: national follow-up study
Lidegaard, Øjvind, Løkkegaard, Ellen Christine Leth, Svendsen, A. L., Agger, C., Lidegaard, Ø., Løkkegaard, Ellen Christine Leth, Svendsen, A. L. & Agger, C., 2009, In: BMJ. British Medical Journal (International Ed.). 339, p. b2890Research output: Contribution to journal › Journal article › Research › peer-review
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Hormonal contraceptives with ethinyl estradiol were associated with increased thrombotic stroke and MI
Lidegaard, Løkkegaard, Ellen Christine Leth, Jensen, Aksel Karl Georg, Skovlund, C. W. & Keiding, N., Jan 2012, In: Annals of Internal Medicine. 157, 8, p. JC4-JC9 6 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
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Hormone replacement therapy and the risk of endometrial cancer: A systematic review
Sjögren, L. L., Mørch, L. S. & Løkkegaard, Ellen Christine Leth, Sep 2016, In: Maturitas. 91, p. 25-35 11 p.Research output: Contribution to journal › Review › Research › peer-review
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Hormone replacement therapy in Denmark, 1995-2004
Løkkegaard, Ellen Christine Leth, Lidegaard, Øjvind, Møller, L. N., Agger, C., Andreasen, A. H. & Jørgensen, T., 1 Jan 2007, In: Acta Obstetricia et Gynecologica Scandinavica. 86, 11, p. 1342-51 10 p.Research output: Contribution to journal › Journal article › Research
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Hormone therapy and different ovarian cancers: a national cohort study
Mørch, L. S., Løkkegaard, Ellen Christine Leth, Andreasen, A. H., Kjær, S. K. & Lidegaard, Øjvind, 2012, In: American Journal of Epidemiology. 175, 12, p. 1234-42 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Hormone therapy and ovarian borderline tumors: a national cohort study
Mørch, L. S., Løkkegaard, Ellen Christine Leth, Andreasen, A. H., Kjær, S. K. & Lidegaard, Øjvind, 2012, In: Cancer Causes & Control. 23, 1, p. 113-20 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Hormone therapy and ovarian cancer
Mørch, L. S., Løkkegaard, Ellen Christine Leth, Andreasen, A. H., Kjær, Susanne Krüger, Lidegaard, O., Mørch, L. S., Løkkegaard, Ellen Christine Leth, Andreasen, A. H., Krüger-Kjaer, S. & Lidegaard, O., 2009, In: JAMA - Journal of the American Medical Association. 302, 3, p. 298-305 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Hormone therapy and risk of myocardial infarction: a national register study
Nielsen, L. H., Løkkegaard, Ellen Christine Leth, Andreasen, A. H., Andersen, R. K., Agger, C., Lidegaard, Øjvind, Løkkegaard, Ellen Christine Leth, Andreasen, A. H., Jacobsen, R. K., Nielsen, L. H., Agger, C. & Lidegaard, Øjvind, 1 Nov 2008, In: European Heart Journal. 29, 21, p. 2660-8 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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IL-10 to TNFα ratios throughout early first trimester can discriminate healthy pregnancies from pregnancy losses
Kaislasuo, J., Simpson, S., Petersen, J. F., Peng, G., Aldo, P., Løkkegaard, Ellen Christine Leth, Paidas, M., Pal, L., Guller, S. & Mor, G., Jan 2020, In: American journal of reproductive immunology (New York, N.Y. : 1989). 83, 1, 10 p., e13195.Research output: Contribution to journal › Letter › Research › peer-review
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Impact of recent studies on attitudes and use of hormone therapy among Scandinavian gynaecologists
Pedersen, Anette Tønnes, Iversen, O., Løkkegaard, Ellen Christine Leth, Mattsson, L., Milsom, I., Nilsen, S. T., Ottesen, B. & Moen, M. H., 2007, In: Acta Obstetricia et Gynecologica Scandinavica. 86, 12, p. 1490-5 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Incidence and Prevalence of Microscopic Colitis between 2001 and 2016: A Danish Nationwide Cohort Study
Weimers, P., Ankersen, D. V., Lophaven, S., Bonderup, O. K., Münch, A., Løkkegaard, Ellen Christine Leth, Burisch, J. & Munkholm, Pia, 2021, In: Journal of Crohn's and Colitis. 14, 12, p. 1717-1723 7 p.Research output: Contribution to journal › Review › Research › peer-review
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Incidence of persistent postpartum opioid use by mode of delivery: a 2016 cohort study of Danish women
Thomsen, B. S. V., Edwards, H. M., Clausen, Tine Dalsgaard, Rasmussen, S. C., Løkkegaard, Ellen Christine Leth, Møller, N. K. & Axelsson, P. B., 2022, In: International Journal of Obstetric Anesthesia. 50, 3 p., 103254.Research output: Contribution to journal › Journal article › Research › peer-review
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Increased risk of stroke in hypertensive women using hormone therapy: analyses based on the Danish Nurse Study
Løkkegaard, Ellen Christine Leth, Andersen, Zorana Jovanovic, Heitmann, B. L., Keiding, N., Ottesen, B., Hundrup, Y. A., Obel, E. B. & Pedersen, A. T., 2003, In: Archives of Neurology. 60, 10, p. 1379-84 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Induction of labor with high- or low-dosage oral misoprostol—A Danish descriptive retrospective cohort study 2015-16
Bendix, J. M., Friis Petersen, J., Andersen, Betina Ristorp, Bødker, B. & Løkkegaard, Ellen Christine Leth, 2020, In: Acta Obstetricia et Gynecologica Scandinavica. 99, 2, p. 222-230 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Investigating the effects of cesarean delivery and antibiotic use in early childhood on risk of later attention deficit hyperactivity disorder
Axelsson, P. B., Clausen, Tine Dalsgaard, Petersen, Anne Helby, Hageman, Ida, Pinborg, Anja, Kessing, Lars Vedel, Bergholt, Thomas, Rasmussen, S. C., Keiding, N. & Løkkegaard, Ellen Christine Leth, 2019, In: Journal of Child Psychology & Psychiatry. 60, 2, p. 151-159Research output: Contribution to journal › Journal article › Research › peer-review
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Is cesarean section a cause of affective disorders?—A national cohort study using sibling designs
Axelsson, P. B., Petersen, Anne Helby, Hageman, Ida, Pinborg, Anja, Kessing, Lars Vedel, Bergholt, Thomas, Rasmussen, S. C., Keiding, N., Clausen, Tine Dalsgaard & Løkkegaard, Ellen Christine Leth, 2020, In: Journal of Affective Disorders. 265, p. 496-504 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Low-dose second-generation oral contraceptives are associated with the lowest increased risk of cardiovascular adverse effects
Løkkegaard, Ellen Christine Leth, Dec 2016, In: BMJ Evidence-Based Medicine. 21, 6, 232.Research output: Contribution to journal › Comment/debate › Research › peer-review
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Making the best of the worst: Care quality during emergency cesarean sections
Andersen, Betina Ristorp, Rasmussen, M. B., Christensen, Karl Bang, Engel, K. G., Ringsted, C., Løkkegaard, Ellen Christine Leth & xgz472, xgz472, 2020, In: PLoS ONE. 15, 2, 13 p., e0227988.Research output: Contribution to journal › Journal article › Research › peer-review
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Maternal age and risk of cesarean section in women with induced labor at term—A Nordic register-based study
Bergholt, Thomas, Skjeldestad, F. E., Pyykönen, A., Rasmussen, S. C., Tapper, A. M., Bjarnadóttir, R. I., Smárason, A., Másdóttir, B. B., Klungsøyr, K., Albrechtsen, S., Källén, K., Gissler, M. & Løkkegaard, Ellen Christine Leth, 2020, In: Acta Obstetricia et Gynecologica Scandinavica. 99, 2, p. 283-289 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Maternal obesity and its effect on labour duration in nulliparous women: a retrospective observational cohort study
Ellekjaer, K. L., Bergholt, Thomas & Løkkegaard, Ellen Christine Leth, 2017, In: B M C Pregnancy and Childbirth. 17, 10 p., 222.Research output: Contribution to journal › Journal article › Research › peer-review
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Methods to Estimate Energy Expenditure, Physical Activity, and Sedentary Time in Pregnant Women: A Validation Study Using Doubly Labeled Water
Alomairah, S. A., Knudsen, S. D. P., Roland, Caroline Borup, Hergel, I. M., Mølsted, Stig, Clausen, Tine Dalsgaard, Løkkegaard, Ellen Christine Leth, Bendix, J. M., Maddison, R., Löf, M., Larsen, J. E., van Hall, Gerrit & Stallknecht, Bente Merete, 2023, In: Journal for the Measurement of Physical Behaviour . 6, 1, p. 88-98 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Microscopic Colitis in Denmark: Regional Variations in Risk Factors and Frequency of Endoscopic Procedures
Weimers, P., Ankersen, D. V., Lophaven, S. N., Bonderup, O. K., Münch, A., Lynge, E., Løkkegaard, Ellen Christine Leth, Munkholm, Pia & Burisch, J., 2022, In: Journal of Crohn's and Colitis. 16, 1, p. 49-56Research output: Contribution to journal › Journal article › Research › peer-review
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Mirtazapine exposure in pregnancy and fetal safety: A nationwide cohort study
Ostenfeld, A., Petersen, Tonny Studsgaard, Pedersen, L. H., Westergaard, H. B., Løkkegaard, Ellen Christine Leth & Andersen, Jon Thor Trærup, 2022, In: Acta Psychiatrica Scandinavica. 145, 6, p. 557-567 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Occurrence of Colorectal Cancer and the Influence of Medical Treatment in Patients with Inflammatory Bowel Disease: A Danish Nationwide Cohort Study, 1997 to 2015
Weimers, P., Ankersen, D. V., Løkkegaard, Ellen Christine Leth, Burisch, J. & Munkholm, Pia, 2021, In: Inflammatory Bowel Diseases. 27, 11, p. 1795-1803Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Physical activity in pregnancy: a mixed methods process evaluation of the FitMum randomised controlled trial interventions
Knudsen, S. D. P., Roland, Caroline Borup, Alomairah, S. A., Jessen, Anne Dsane, Mølsted, Stig, Clausen, Tine Dalsgaard, Løkkegaard, Ellen Christine Leth, Stallknecht, Bente Merete, Bønnelycke, J., Bendix, J. M. & Maindal, H. T., 2022, In: BMC Public Health. 22, 2283.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Postoperative infections after non-elective cesarean section – a retrospective cohort study of prevalence and risk factors at a single center in Denmark administering prophylactic antibiotics after cord clamping
Kuhr, K., Axelsson, P. B., Andersen, Betina Ristorp, Ammitzbøll, I. L. A., Clausen, Tine Dalsgaard & Løkkegaard, Ellen Christine Leth, 2022, In: BMC Pregnancy and Childbirth. 22, 945.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Postpartum urinary tract infection by mode of delivery: A Danish nationwide cohort study
Gundersen, T. D., Krebs, Lone, Løkkegaard, Ellen Christine Leth, Rasmussen, S. C., Glavind, J. & Clausen, Tine Dalsgaard, 1 Mar 2018, In: BMJ Open. 8, 3, 8 p., e018479.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Pregnancy viability in relation to demographic and repeated sonographic and serum biomarkers
Petersen, J. F., Friis-Hansen, L., Bryndorf, T., Jensen, A. K., Andersen, A. N. & Løkkegaard, Ellen Christine Leth, 2020, In: Human Reproduction. 35, p. I316 1 p.Research output: Contribution to journal › Conference abstract in journal › Research › peer-review
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Pregnant womeńs views on the timing of prophylactic antibiotics during caesarean delivery: A qualitative semi-structured interview study
Høgh-Poulsen, Sidsel, Bendix, J. M., Larsen, M. M., Virkus, R. A., Andersen, A. D., Clausen, Tine Dalsgaard, Løkkegaard, Ellen Christine Leth & Axelsson, P. B., Sep 2021, In: European Journal of Obstetrics and Gynecology and Reproductive Biology. 264, p. 65-69 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Prelabor Cesarean Section and Risk of Childhood Type 1 Diabetes: A Nationwide Register-based Cohort Study
Clausen, Tine Dalsgaard, Bergholt, Thomas, Eriksson, Frank, Rasmussen, S., Keiding, N. & Løkkegaard, Ellen Christine Leth, Jul 2016, In: Epidemiology. 27, 4, p. 547-555 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Preterm children born below 33-35 weeks of gestation have an increased risk of mathematical difficulties
Wiingreen, R., Greisen, Gorm, Løkkegaard, Ellen Christine Leth, Torp-Pedersen, Christian, Sørensen, Kathrine Kold, Andersen, M. P. & Hansen, Bo Mølholm, 2024, In: Acta Pædiatrica. 113, 2, 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Prevalence and duration of anti-SARS-CoV-2 antibodies in healthcare workers
Johannesen, C. K., Martin, G. S., Lendorf, M. E., Garred, Peter, Fyfe, A., Paton, R. S., Thompson, C., Mølsted, Stig, Kann, C. E., Jensen, C. A., Hansen, Cecilie Bo, Løkkegaard, Ellen Christine Leth, Christensen, T. B., Simmonds, P. & Fischer, Thea Kølsen, 2022, In: Danish Medical Journal. 69, 5, 9 p., A11210843.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Progesterone concentrations on blastocyst transfer day in modified natural cycle frozen embryo transfer cycles
Saupstad, M., Bergenheim, S. J., Bogstad, J. W., Petersen, M. R., Klajnbard, A., Prætorius, L., Freiesleben, Nina la Cour, Englund, A. L., Løkkegaard, Ellen Christine Leth, Knudsen, U. B., Husth, M., Alsbjerg, B., Møller, J. E., Dam, T. V., Forman, Julie Lyng, Pinborg, Anja & Løssl, Kristine, 2024, In: Reproductive BioMedicine Online. 49, 1, 8 p., 103862.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Prospective multi-centre randomised trial comparing induction of labour with a double-balloon catheter versus dinoprostone
Løkkegaard, Ellen Christine Leth, Lundstrøm, M., Kjær, Michael, Christensen, I. J., Pedersen, H. B. & Nyholm, H., 2015, In: Journal of Obstetrics and Gynaecology. 35, 8, p. 797-802 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Providing relevant information to pregnant women about induction of labor at term is essential. A Reply
Bergholt, Thomas, Skjeldestad, F. E. & Løkkegaard, Ellen Christine Leth, 2020, In: Acta Obstetricia et Gynecologica Scandinavica. 99, 8, p. 1101-1101 1 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
- Published
RUBIC (ReproUnion Biobank and Infertility Cohort): A binational clinical foundation to study risk factors, life course, and treatment of infertility and infertility-related morbidity
Priskorn, L., Tøttenborg, S. S., Almstrup, K., Andersson, A. M., Axelsson, J., Bräuner, E. V., Elenkov, A., Freiesleben, N. L. C., Giwercman, Y. L., Grøndahl, M. L., Hansen, A. H., Hansen, L. S., Henic, E., Kitlinski, M. L., Landersoe, S. K., Lindh, C., Løkkegaard, E. L., Malm, J., Olsen, K. W., Petersen, K. U. & 21 others, , 2021, In: Andrology. 9, 6, p. 1828-1842 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Re: Infant microbiota and antibiotic prophylaxis in caesarean delivery
Winther, A. C. R., Axelsson, P. B., Clausen, Tine Dalsgaard & Løkkegaard, Ellen Christine Leth, 2020, In: BJOG: An International Journal of Obstetrics and Gynaecology. 127, 4, 1 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
- Published
Re-torsion of the ovaries
Hyttel, T. E. W., Bak, G. S., Larsen, S. B. & Løkkegaard, Ellen Christine Leth, Mar 2015, In: Acta Obstetricia et Gynecologica Scandinavica. 94, 3, p. 236-244 9 p.Research output: Contribution to journal › Review › Research › peer-review
- Published
Relation between hormone replacement therapy and ischaemic heart disease in women: prospective observational study
Løkkegaard, Ellen Christine Leth, Pedersen, Anette Tønnes, Heitmann, Berit, Andersen, Zorana Jovanovic, Keiding, N., Hundrup, Y. A., Obel, E. B. & Ottesen, B., 22 Feb 2003, In: B M J. 326, 7386, p. 426Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Relation between infant microbiota and autism? - Results from a national cohort sibling-design study
Axelsson, P. B., Clausen, Tine Dalsgaard, Petersen, Anne Helby, Hageman, Ida, Pinborg, Anja, Kessing, Lars Vedel, Bergholt, Thomas, Rasmussen, S. C., Keiding, N. & Løkkegaard, Ellen Christine Leth, 2019, In: Epidemiology (Cambridge, Mass.). 30, 1, p. 52-60 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Relationen mellem postmenopausal hormonsubstitution og iskaemisk hjertesygdom baseret på en dansk prospektiv kohorte
Løkkegaard, Ellen Christine Leth, Pedersen, Anette Tønnes, Heitmann, B. L., Andersen, Zorana Jovanovic, Keiding, N., Hundrup, Y. A., Obel, E. B. & Ottesen, B. S., 2004, In: Ugeskrift for læger. 166, 20, p. 1892-4 2 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Reoccurrence of retained placenta at vaginal delivery: an observational study
Løkkegaard, Ellen Christine Leth, Bergholt, T. & Nikolajsen, S., Apr 2013, In: Acta Obstetricia et Gynecologica Scandinavica. 92, 4, p. 421-5 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Reoccurrence of retained placenta at vaginal delivery: an observational study.
Nikolajsen, S., Løkkegaard, Ellen Christine Leth & Bergholt, Thomas, Apr 2013, In: Acta Obstetricia et Gynecologica Scandinavica.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Reorganising and improving quality of care for hyperemesis gravidarum in a Danish hospital: a quality improvement project
Ostenfeld, A., Futtrup, T. B., Løkkegaard, Ellen Christine Leth & Westergaard, H. B., 2023, In: BMJ Open Quality. 12, 3, 8 p., 002035.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Response to the commentary “Anaesthesia for caesarean section and the miscredit of top-up epidurals”
Ammitzbøll, I. L. A., Andersen, Betina Ristorp, Lange, Kai, Clausen, Tine Dalsgaard & Løkkegaard, Ellen Christine Leth, 2023, In: European Journal of Obstetrics and Gynecology and Reproductive Biology. 286, p. 147-148 2 p.Research output: Contribution to journal › Letter › Research › peer-review
- Published
Risk factors for and consequences of difficult fetal extraction in emergency caesarean section. A retrospective registry-based cohort study
Ammitzbøll, I. L. A., Andersen, Betina Ristorp, Lange, Kai, Clausen, Tine Dalsgaard & Løkkegaard, Ellen Christine Leth, 2023, In: European Journal of Obstetrics and Gynecology and Reproductive Biology. 283, p. 74-80 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Risk of Stroke with Various Types of Menopausal Hormone Therapies: A National Cohort Study
Løkkegaard, Ellen Christine Leth, Nielsen, L. H. & Keiding, N., 2017, In: Stroke. 48, 8, p. 2266-2269Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Risk of adhesive bowel obstruction after abdominal surgery. A national cohort study of 665,423 Danish women
Norrbom, C., Steding-Jessen, M., Agger, C. T., Osler, Merete, Krabbe-Sorensen, M., Settnes, A., Nilas, L. & Løkkegaard, Ellen Christine Leth, 2019, In: American Journal of Surgery. 217, 4, p. 694-703 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Risk of venous thromboembolism from use of oral contraceptives containing different progestogens and oestrogen doses: Danish cohort study, 2001-9
Lidegaard, Øjvind, Nielsen, L. H., Skovlund, C. W., Skjeldestad, F. E. & Løkkegaard, Ellen Christine Leth, 2011, In: B M J. 343, p. d6423Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Rumperet ekstrauterin graviditet ved provokeret medicinsk abort før synlig intrauterin graviditet
Axelsson, P. B., Løkkegaard, Ellen Christine Leth & Helm, P., 2020, In: Ugeskrift for Laeger. 182, 17, 2 p., V11190651.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Sikker igangsætning af fødsel med vaginal lavdosismisoprostol, men ikke så effektivt som den konventionelle behandling med dinoproston
Petersen, J. F., Bergholt, Thomas & Løkkegaard, Ellen Christine Leth, 26 Dec 2013, In: Ugeskrift for Laeger. 175, 40, 1 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
- Published
Social ties between team members affect patient satisfaction: a data-driven approach to handling complex network analyses
Andersen, Betina Ristorp, Hinrich, J. L., Rasmussen, M. B., Lehmann, S., Ringsted, C., Løkkegaard, Ellen Christine Leth & xgz472, xgz472, 2020, In: Advances in Health Sciences Education. 25, 4, p. 581–606 26 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Soluble urokinase plasminogen activator receptor (suPAR) as a biomarker of early pregnancy location and viability compared with hCG, progesterone and estradiol
Friis Petersen, J., Grynnerup, A. G., Mitchell, N. H., Løssl, K., Sørensen, S., Lindhard, A., Friis-Hansen, L., Pinborg, Anja, Nyboe Andersen, A. & Løkkegaard, Ellen Christine Leth, 2020, In: Journal of Reproductive Immunology. 138, 8 p., 103103.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Structured supervised exercise training or motivational counselling during pregnancy on physical activity level and health of mother and offspring: FitMum study protocol
Roland, Caroline Borup, Knudsen, S. D. P., Alomairah, S. A., Jessen, Anne Dsane, Bendix, J., Clausen, Tine Dalsgaard, Mølsted, Stig, Jensen, Andreas Kryger, Teilmann, Grete Katrine, Jespersen, Astrid Pernille, Larsen, J. E., van Hall, Gerrit, Andersen, E., Barrès, Romain, Mortensen, Ole Hartvig, Maindal, H. T., Tarnow, L., Løkkegaard, Ellen Christine Leth & Stallknecht, Bente Merete, 19 Mar 2021, In: BMJ Open. 11, 3, 11 p., e043671.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The aesthetic nature of the birthing room environment may alter the need for obstetrical interventions: an observational retrospective cohort study
Wrønding, T., Argyraki, A., Petersen, J. F., Topsøe, M. F., Petersen, P. M. & Løkkegaard, Ellen Christine Leth, 2019, In: Scientific Reports. 9, 7 p., 303.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The association between early menopause and risk of ischaemic heart disease: Influence of Hormone Therapy
Løkkegaard, Ellen Christine Leth, Andersen, Zorana Jovanovic, Heitmann, B. L., Keiding, N., Ottesen, B. S. & Pedersen, Anette Tønnes, 2006, In: Maturitas. 53, p. 226-233Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The association between early menopause and risk of ischaemic heart disease: Influence of Hormone Therapy?
Løkkegaard, Ellen Christine Leth, Andersen, Zorana Jovanovic, Heitmann, Berit, Keiding, N., Ottesen, B. & Pedersen, Anette Tønnes, 20 Jan 2006, In: Maturitas. 53, 2, p. 226-33 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The effect of exercise training and motivational counselling on physical activity behaviour and psychosocial factors in pregnant women: secondary analyses of the FitMum randomised controlled trial investigating prenatal physical activity
Knudsen, S. D. P., Roland, Caroline Borup, Alomairah, S. A., Jessen, Anne Dsane, Maindal, H. T., Bendix, J. M., Clausen, Tine Dalsgaard, Løkkegaard, Ellen Christine Leth, Stallknecht, Bente Merete & Mølsted, Stig, 2024, In: BMC Public Health. 24, 1, p. 1-14 92.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The evidence behind the use of LASER for genitourinary syndrome of menopause, vulvovaginal atrophy, urinary incontinence and lichen sclerosus: A state-of-the-art review
Mortensen, O. E., Christensen, S. E. & Løkkegaard, Ellen Christine Leth, 2022, In: Acta Obstetricia et Gynecologica Scandinavica. 101, 6, p. 657-692Research output: Contribution to journal › Review › Research › peer-review
- Published
The implementation and evaluation of a mandatory multi-professional obstetric skills training program
Sorensen, Jette Led , Løkkegaard, Ellen Christine Leth, Johansen, Marianne, Ringsted, C., Kreiner, Svend & McAleer, S., 2009, In: Acta Obstetricia et Gynecologica Scandinavica. 88, 10, p. 1107-17 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The influence of hormone therapies on colon and rectal cancer
Mørch, L. S., Lidegaard, Øjvind, Keiding, N., Løkkegaard, Ellen Christine Leth & Kjær, Susanne Krüger, May 2016, In: European Journal of Epidemiology. 31, 5, p. 481-489 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The influence of hormone therapies on type I and II endometrial cancer: A nationwide cohort study
Mørch, L. S., Kjær, Susanne Krüger, Keiding, N., Løkkegaard, Ellen Christine Leth & Lidegaard, Øjvind, 15 Mar 2016, In: International Journal of Cancer. 138, 6, p. 1506-1515 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The relation between birth weight and hypertension: A study among Danish nurses
Virkus, R. A., Heitmann, Berit, Obel, E., Bergholt, Thomas & Løkkegaard, Ellen Christine Leth, 2013, In: Health (Irvine). 5, 4A, p. 16-22 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Thrombotic stroke and myocardial infarction with hormonal contraception
Lidegaard, Øjvind, Løkkegaard, Ellen Christine Leth, Jensen, Aksel Karl Georg, Skovlund, C. W. & Keiding, N., 1 Oct 2012, In: Obstetrical and Gynecological Survey. 67, 10, p. 640-641 2 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
ID: 37991795
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Early pregnancy reference intervals: 29 serum analytes from 4 to 12 weeks' gestation in naturally conceived and uncomplicated pregnancies resulting in live births
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Are Danish doctors comfortable teaching in English?
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Characteristics and early outcomes of patients hospitalised for covid-19 in North Zealand, Denmark
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