[Distance from the skin to the lumbar epidural space in a parturient].
D000773:Anesthesia, Obstetrical; D001824:Body Constitution; D004824:Epidural Space / Q000033:anatomy & histology*; D005260:Female; D005333:Fetus / Q000033:anatomy & histology; D006801:Humans; D008161:Lumbosacral Region; D011247:Pregnancy; D012044:Regression Analysis; D012867:Skin / Q000033:anatomy & histology*; D013115:Spinal Canal / Q000033:anatomy & histology*