Twin pregnancy: a three-year report.
D001724:Birth Weight; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007746:Labor Presentation; D011225:Pre-Eclampsia; D011247:Pregnancy; D011248:Pregnancy Complications; D011272:Pregnancy, Multiple; D011379:Prognosis; D014427:Twins