[Clinical studies on the outcome of pregancy (author's transl)].
D000028:Abortion, Induced; D000022:Abortion, Spontaneous / Q000453:epidemiology; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007564:Japan; D011247:Pregnancy; D012424:Rural Population; D014505:Urban Population