A review of twin pregnancies National Maternity Hospital, (1967-1971).
D036861:Delivery, Obstetric; D005314:Embryonic and Fetal Development; D005260:Female; D005865:Gestational Age; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007494:Ireland; D007751:Labor, Induced; D008423:Maternal Age; D010298:Parity; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology; D014427:Twins