[Preventive measures against perinatal death--with special reference to its background and actual steps].
D002662:Child Health Services; D005260:Female; D005313:Fetal Death / Q000517:prevention & control*; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007564:Japan; D008423:Maternal Age; D008427:Maternal Health Services; D011247:Pregnancy