chorioamnionitis
congenital fetal anomalies
diethylstilbestrol exposure
external cephalic version
family history of birth defects
fetal congenital heart disease
fetal echocardiograms
fetal infection
fetal isoimmunization
fetal pleural effusions
hellp syndrome
limited obstetrical ultrasound
maternal hematologic disorders
maternal thrombophilia
maternal thyroid disorders
multiple gestations
peripartum cardiomyopathy
pregnancy related musculoskeletal conditions
pregnancy with ibd
prenatal genetic counseling
preterm labor
preterm premature rupture of membranes
sexually transmitted diseases in pregnancy
stillbirth
teratogen exposure