[Cerclage of the uterine cervix (Shirodkar operation) in the prevention of abortion].
D000028:Abortion, Induced / Q000517:prevention & control*; D000022:Abortion, Spontaneous; D023802:Cerclage, Cervical; D002584:Cervix Uteri / Q000601:surgery*; D005260:Female; D006801:Humans; D011247:Pregnancy
ABORTION/prevention and control; CERVIX UTERI/surgery