Obstetric aspects of preventive medicine in the perinatal period.
D000328:Adult; D001238:Asphyxia Neonatorum; D001720:Birth Injuries; D005260:Female; D005313:Fetal Death; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases; D007234:Infant, Premature; D007746:Labor Presentation; D007744:Obstetric Labor Complications; D009774:Obstetrics; D011247:Pregnancy; D011248:Pregnancy Complications; D011315:Preventive Medicine; D013223:Statistics as Topic; D006113:United Kingdom