title: A simple midcervical cerclage operation for cervical incompetence during pregnancy.
mesh_terms: D000033:Abortion, Threatened / Q000601:surgery*; D005260:Female; D006801:Humans; D007511:Ischemia / Q000517:prevention & control; D008722:Methods; D011247:Pregnancy; D013536:Suture Techniques; D002577:Uterine Cervical Diseases / Q000601:surgery*; D014597:Uterine Rupture / Q000517:prevention & control; D014599:Uterus / Q000098:blood supply