Twin pregnancy: intrapartum management of twins presenting other than vertex-vertex.
D001034:Apgar Score; D002585:Cesarean Section; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007746:Labor Presentation; D011247:Pregnancy; D011272:Pregnancy, Multiple; D014427:Twins