title: The perinatal mortality rate as a measure of the efficiency of the maternity services.
mesh_terms: D001724:Birth Weight; D004739:England; D005260:Female; D005313:Fetal Death / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D007226:Infant Mortality; D008427:Maternal Health Services / Q000592:standards*; D011225:Pre-Eclampsia / Q000150:complications; D011247:Pregnancy; D012606:Scotland; D012923:Social Class