Perinatal mortality and one-year infant morbidity.
D001724:Birth Weight; D004739:England; D005260:Female; D005313:Fetal Death; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D009017:Morbidity; D011247:Pregnancy