title: [Effect of prolonged peridural analgesia on the state of the cardiac activity of the fetus in the 1st stage of labor].
mesh_terms: D000767:Anesthesia, Epidural / Q000009:adverse effects*; D000773:Anesthesia, Obstetrical / Q000009:adverse effects*; D000779:Anesthetics, Local / Q000009:adverse effects; D004562:Electrocardiography; D005260:Female; D005318:Fetal Heart / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D007022:Hypotension / Q000139:chemically induced; D008431:Maternal-Fetal Exchange; D010701:Phonocardiography; D011247:Pregnancy
chemical_list: D000779:Anesthetics, Local
vernacular_title: Vliianie dlitel'noĭ peridural'noĭ analgezii na sostoianie serdechnoĭ deiatel'nosti ploda v pervom periode rodov