THE INCOMPETENT CERVIX.
D000026:Abortion, Habitual; D000028:Abortion, Induced; D000022:Abortion, Spontaneous; D002584:Cervix Uteri; D005260:Female; D006801:Humans; D011247:Pregnancy; D013514:Surgical Procedures, Operative; D002581:Uterine Cervical Incompetence
ABORTION, HABITUAL; CERVIX UTERI; PREGNANCY; SURGERY, OPERATIVE