JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE, cilt.28, sa.6, ss.690-694, 2015 (SCI-Expanded)
Objective: Reliability of first and second trimester screening tests largely depends on accurate estimation of maternal serum marker values. Reduced reliability could lead redundant invasive tests or misdiagnosis. Adjustments of serum marker values for confounding factors like insulin-dependent diabetes, maternal weight or maternal rhesus status are essential. We aimed to investigate whether isolated single umbilical artery alters first and second trimester test parameters or not.