title: [What is infertility and what is the role of cervical isthmus incompetence in this pathology?].
mesh_terms: D005260:Female; D006801:Humans; D007247:Infertility, Female / Q000209:etiology*; D011247:Pregnancy; D002581:Uterine Cervical Incompetence / Q000150:complications*
vernacular_title: Qué es la infertilidad y cuál es el papel de la insuficiencia ítsmico cervical en esa patología?