Risk factors associated with complications of pregnancy, labor, and delivery.
D000328:Adult; D001034:Apgar Score; D001724:Birth Weight; D001835:Body Weight; D036861:Delivery, Obstetric; D004461:Eclampsia / Q000453:epidemiology; D005260:Female; D005318:Fetal Heart; D006801:Humans; D006973:Hypertension / Q000453:epidemiology; D007231:Infant, Newborn; D007746:Labor Presentation; D009657:North Carolina; D007744:Obstetric Labor Complications / Q000453:epidemiology*; D007752:Obstetric Labor, Premature / Q000453:epidemiology; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D011249:Pregnancy Complications, Cardiovascular / Q000453:epidemiology; D011446:Prospective Studies; D014593:Uterine Inertia / Q000453:epidemiology