Primigravid pregnancy and delivery unit developments.
D000293:Adolescent; D000328:Adult; D000773:Anesthesia, Obstetrical; D036861:Delivery, Obstetric; D005260:Female; D006748:Hospital Departments / Q000458:organization & administration*; D006771:Hospitals, Maternity; D006801:Humans; D007231:Infant, Newborn; D007494:Ireland; D008297:Male; D008423:Maternal Age; D009775:Obstetrics and Gynecology Department, Hospital / Q000458:organization & administration*; D010298:Parity; D011247:Pregnancy; D012907:Smoking