title: Ovarian twin pregnancy.
abstract: A case of ovarian twin pregnancy is reported. Three other cases have been previously reported. All 4 cases were in parous women in their thirties.
mesh_terms: D000328:Adult; D005321:Extraembryonic Membranes / Q000473:pathology; D005260:Female; D006801:Humans; D010053:Ovary; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis* / Q000473:pathology; D011272:Pregnancy, Multiple; D014427:Twins