title: Cervical pregnancy diagnosed by ultrasound.
abstract: The preoperative diagnosis of cervical pregnancy by ultrasound is described. To the authors' knowledge, this is the third such diagnosis that has been reported in the literature. Ultrasound examination showed a gestational sac with smooth margins occupying the entire cervix in a 23-year-old woman. It is suggested that this diagnosis be considered in the appropriate clinical setting of painless first trimester vaginal bleeding in a patient who has had an abortion or other gynecologic surgery.
mesh_terms: D000328:Adult; D002584:Cervix Uteri; D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis*; D014463:Ultrasonography