title: [Influence of the site of insertion of the placenta on the duration of pregnancy].
mesh_terms: D005260:Female; D006801:Humans; D010920:Placenta / Q000033:anatomy & histology*; D011247:Pregnancy; D011263:Pregnancy Trimester, Third; D013997:Time Factors
vernacular_title: Influencia del lugar de inserción de la placenta sobre la duración de la gestación.