Twin pregnancy -- a study of the local pattern.
D036861:Delivery, Obstetric; D005260:Female; D005313:Fetal Death; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D008296:Malaysia; D007744:Obstetric Labor Complications; D011247:Pregnancy; D011248:Pregnancy Complications; D011272:Pregnancy, Multiple; D012189:Retrospective Studies; D014427:Twins