title: [Changes in the cervix uteri during pregnancy and before labor (literature survey)].
mesh_terms: D002584:Cervix Uteri / Q000033:anatomy & histology / Q000502:physiology*; D003094:Collagen / Q000097:blood; D003238:Connective Tissue / Q000033:anatomy & histology; D004967:Estrogens / Q000627:therapeutic use; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D011247:Pregnancy
chemical_list: D004967:Estrogens; D003094:Collagen
vernacular_title: Ob izmeneniiakh v sheĭke matki v techenie beremennosti i pered rodami. Obzor literatury.