Physiologic or dysfunctional incompetence of the cervix. Diagnosis and surgical treatment in the nonpregnant woman.
D000028:Abortion, Induced / Q000517:prevention & control*; D000022:Abortion, Spontaneous; D035843:Biomedical Research; D002584:Cervix Uteri / Q000737:chemistry*; D005260:Female; D006801:Humans; D011247:Pregnancy
ABORTION/prevention and control; CERVIX UTERI/chemistry