Habitual abortion and premature labor due to incompetence of the internal os of the cervix. Cause--diagnosis--surgical treatment.
D000026:Abortion, Habitual / Q000175:diagnosis / Q000209:etiology / Q000601:surgery; D000328:Adult; D005260:Female; D006801:Humans; D008722:Methods; D007752:Obstetric Labor, Premature / Q000175:diagnosis / Q000209:etiology / Q000601:surgery; D011247:Pregnancy; D002577:Uterine Cervical Diseases / Q000150:complications* / Q000601:surgery