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 journal › Journal article › Research › peer-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.
|Journal||Ultrasound in Obstetrics & Gynecology|
|Number of pages||6|
|Publication status||Published - 2012|