Unmarried pregnancies.
D000293:Adolescent; D000300:Adoption; D000328:Adult; D001942:Breast Feeding; D002648:Child; D000013:Congenital Abnormalities / Q000453:epidemiology; D036861:Delivery, Obstetric; D005260:Female; D005313:Fetal Death / Q000453:epidemiology; D006801:Humans; D007086:Illegitimacy; D007226:Infant Mortality; D007751:Labor, Induced; D008423:Maternal Age; D009520:New Zealand; D011225:Pre-Eclampsia / Q000453:epidemiology; D011247:Pregnancy; D012189:Retrospective Studies; D013223:Statistics as Topic