title: First trimester diagnosis of dicephalic parapagus conjoined twins via transvaginal ultrasonography.
abstract: Conjoined twins are rare, and most cases are thoracopagus. Parapagus conjoined twins (one body with two heads) are extremely rare. We report a case of dicephalic parapagus twins that was diagnosed in the first trimester at 10 weeks via transvaginal ultrasonography.
authors.affiliation: The Specialists of Obstetrics and Gynecology, Gölcük State Hospital, Obstetrics and Gynecology Clinic, Merkez mah, Turgut Sayin cad, 31, sokak No: 7/3, Kocaeli, Turkey.
authors.forename: Fisun
authors.initials: F
authors.lastname: Vural
authors.forename: Birol
authors.initials: B
authors.lastname: Vural
mesh_terms: D000030:Abortion, Missed / Q000601:surgery; D000032:Abortion, Therapeutic; D000328:Adult; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D014428:Twins, Conjoined; D016216:Ultrasonography, Prenatal