Prospective study evaluating performance of first-trimester combined screening for trisomy 21 using repeat sampling of maternal serum markers PAPP-A and free β-hCG

Research output: Contribution to journalJournal articleResearchpeer-review

To prospectively evaluate the performance of first-trimester combined screening for trisomy 21 using the biochemical markers pregnancy-associated plasma protein-A (PAPP-A) and free beta-human chorionic gonadotropin (free β-hCG) obtained before and at the time of the nuchal translucency (NT) scan.
Original languageEnglish
JournalUltrasound in Obstetrics & Gynecology
Volume40
Issue number3
Pages (from-to)276-81
Number of pages6
ISSN0960-7692
DOIs
Publication statusPublished - 2012

ID: 48490587