[Decreasing the risk].
Backe
K W
KW
D005260:Female; D049670:History, 17th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049691:History, Medieval; D006700:Home Childbirth / Q000266:history* / Q000295:instrumentation; D006801:Humans; D008429:Maternal Welfare / Q000266:history*; D011247:Pregnancy
Das Risiko mindern.