title: Prolapse of four legs in an undiagnosed conjoined thoracoomphalopagus twins: an uncommon presentation.
mesh_terms: D000328:Adult; D001946:Breech Presentation; D003951:Diagnostic Errors; D005260:Female; D005313:Fetal Death; D006801:Humans; D007866:Leg; D011247:Pregnancy; D011296:Prenatal Diagnosis; D011391:Prolapse; D014428:Twins, Conjoined