Trends in the use of cesarean section: review of 15 years experience.
D001034:Apgar Score; D002585:Cesarean Section / Q000009:adverse effects / Q000266:history; D005260:Female; D005316:Fetal Distress / Q000601:surgery; D049669:History, 16th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011247:Pregnancy; D013557:Switzerland; D014481:United States