title: Cervical incompetence, 1980: a time for reappraisal.
mesh_terms: D002584:Cervix Uteri / Q000601:surgery; D005260:Female; D006801:Humans; D006908:Hydroxyprogesterones / Q000627:therapeutic use; D008722:Methods; D010570:Pessaries; D011247:Pregnancy; D011379:Prognosis; D002581:Uterine Cervical Incompetence / Q000175:diagnosis / Q000209:etiology / Q000601:surgery / Q000628:therapy*
chemical_list: D006908:Hydroxyprogesterones