title: [Duration of pregnancy and the ABO and Rh blood groups].
mesh_terms: D000017:ABO Blood-Group System; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D008598:Menstruation; D011247:Pregnancy; D012204:Rh-Hr Blood-Group System
chemical_list: D000017:ABO Blood-Group System; D012204:Rh-Hr Blood-Group System
vernacular_title: Czas trwania ciazy a układ ABO i Rh krwi.