The moment of birth.
D000773:Anesthesia, Obstetrical / Q000266:history; D001724:Birth Weight; D036861:Delivery, Obstetric / Q000266:history; D005260:Female; D005313:Fetal Death / Q000266:history; D005544:Forecasting; D049673:History, 20th Century; D006760:Hospitalization; D006801:Humans; D007226:Infant Mortality; D008423:Maternal Age; D009774:Obstetrics / Q000266:history*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000266:history; D011295:Prenatal Care / Q000592:standards; D006113:United Kingdom