The elderly nullipara; an analysis of the hazards of late first viable pregnancy, with especial reference to cesarean section.
D000368:Aged; D002585:Cesarean Section; D005260:Female; D020073:Gravidity; D006801:Humans; D010298:Parity; D011247:Pregnancy / Q000706:statistics & numerical data; D011248:Pregnancy Complications
PREGNANCY/statistics