Outcomes of pregnancy in Hong-qiao and Qi-yi communes.
D000328:Adult; D001724:Birth Weight; D002681:China; D036861:Delivery, Obstetric; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*