1)ACOG Committee Opinion NO.295. Pain relief during labor. American College of Obstetricians and Gynecologists. Obstet Gynecol 104 : 213, 2004
2)中畑克俊,他 : 硬膜外無痛分娩─和歌山県立医大6年間の成果.分娩と麻酔94 : 25─31, 2012
3)Thorp JA, et al : The effect of intrapartum epidural analgesia on nulliparous labor : a randomized, controlled, prospective trial. Am J Obstet Gynecol 169 : 851─858, 1993
4)Lieberman E, et al : Association of epidural analgesia with cesarean delivery in nulliparas. Obstet Gynecol 88 : 993─1000, 1996
5)American College of Obstetricians and Gynecologists. Evaluation of cesarean delivery. Washington, DC : ACOG, 2000
6)Wong CA, et al : The risk of cesarean delivery with neuraxial analgesia given early versus late in labor. N Engl J Med 352 : 655─665, 2005
7)American College of Obstetricians and Gynecologists. Analgesia and cesarean delivery rate. ACOG committee opinion on obstetric practice. 339, 2006
8)Sng BL, et al : Early versus late initiation of epidural analgesia for labour. Cochrane Database Syst Rev 10 : CD007238, 2014
9)Landau R, et al : Pharmacogenetics in obstetric anesthesia. Curr Opin Anaesthesiol 23 : 323─329, 2010
10)Tornell S, et al : Low Apgar score, neonatal encephalopathy and epidural analgesia during labour : a Swedish registry-based study. Acta Anaesthesiol Scand 59 : 486─495, 2015
11)Segal S : Labor epidural analgesia and maternal fever. Anesth Analg 111 : 1467─1475, 2010
12)Debiec J, et al : Mathematical modeling of the pain and progress of the first stage of nulliparous labor. Anesthesiology 111 : 1093─1110, 2009
13)Abrao KC, et al : Elevation of uterine basal tone and fetal heart rate abnormalities after labor analgesia : a randomized controlled trial. Obstet Gynecol 113 : 41─47, 2009
14)Attanasio L, et al : Women's Experiences with Neuraxial Labor Analgesia in the Listening to Mothers II Survey : A Content Analysis of Open-Ended Responses. Anesth Analg 121 : 974─980, 2015
15)Stock SJ, et al : Outcomes of elective induction of labour compared with expectant management : population based study. BMJ 344 : e2838, 2012