Perinatal mortality.
D000022:Abortion, Spontaneous; D000328:Adult; D000367:Age Factors; D001724:Birth Weight; D001787:Blood Group Incompatibility; D000013:Congenital Abnormalities; D036861:Delivery, Obstetric; D004461:Eclampsia; D005260:Female; D005313:Fetal Death; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007744:Obstetric Labor Complications; D010922:Placenta Diseases; D010923:Placenta Previa; D011225:Pre-Eclampsia; D011247:Pregnancy; D011248:Pregnancy Complications; D012044:Regression Analysis; D012907:Smoking