Maternal mortality: an epidemiological approach.
D000031:Abortion, Septic / Q000401:mortality; D000022:Abortion, Spontaneous / Q000401:mortality; D000293:Adolescent; D000328:Adult; D001530:Belgium; D001723:Birth Rate; D003604:Czechoslovakia; D003644:Death Certificates; D036861:Delivery, Obstetric / Q000401:mortality; D003718:Denmark; D004739:England; D005260:Female; D005602:France; D005860:Germany, West; D006760:Hospitalization; D006801:Humans; D007226:Infant Mortality; D008423:Maternal Age; D008428:Maternal Mortality; D008875:Middle Aged; D009426:Netherlands; D009664:Norway; D006473:Postpartum Hemorrhage / Q000401:mortality; D011225:Pre-Eclampsia / Q000401:mortality; D011247:Pregnancy; D011248:Pregnancy Complications / Q000401:mortality; D011644:Puerperal Disorders / Q000401:mortality; D013548:Sweden; D014481:United States; D014852:Wales