The incompetent cervix and its treatment in habitual abortion and premature labour.
D000026:Abortion, Habitual / Q000209:etiology* / Q000517:prevention & control; D000328:Adult; D002584:Cervix Uteri / Q000473:pathology / Q000601:surgery; D005260:Female; D006801:Humans; D008722:Methods; D007752:Obstetric Labor, Premature / Q000209:etiology* / Q000517:prevention & control; D011247:Pregnancy; D013997:Time Factors; D002577:Uterine Cervical Diseases