title: Obstructed labour due to locked twins.
mesh_terms: D000328:Adult; D002585:Cesarean Section; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007746:Labor Presentation; D008297:Male; D007744:Obstetric Labor Complications / Q000209:etiology*; D011247:Pregnancy; D014427:Twins