title: Cerclage: we all know how to do it but can't agree when to do it.
authors.forename: Zarko
authors.initials: Z
authors.lastname: Alfirevic
mesh_terms: D023802:Cerclage, Cervical / Q000592:standards; D005260:Female; D006801:Humans; D018579:Patient Selection; D011247:Pregnancy; D002581:Uterine Cervical Incompetence / Q000601:surgery*