Key Points Screening is the identification of unrecognised disease or defect found by testing an asymptomatic population. Prenatal screening detects conditions that are deleterious to the mother, fetus or both. Prenatal screening allows for diagnostic testing and subsequent pregnancy options,…
Open full size image Key Abbreviations American College of Obstetricians and Gynecologists ACOG Amniotic fluid index AFI Confidence interval CI Estimated date of delivery EDD International Federation of Gynecology and Obstetrics FIGO Last menstrual period LMP Odds ratio OR Perinatal…
Key Points Ultrasonography, preferably done in the first trimester, is the most accurate method with which to establish the EDD. No gestational cutoff has been established by which to define a prolonged pregnancy in multiple gestations. The risk for stillbirth…