Epidural analgesia lengthens the friedman active phase of labor

Obstetrics & Gynecology - Tập 100 - Trang 46-50 - 2002
James M Alexander1, Shiv K Sharma2, Donald D McIntire2, Kenneth J Leveno2
1Department of Obstetrics and Gynecology, The University of Texas Southwestern Medical Center at Dallas, Dallas, Texas, USA
2Department of Anesthesiology, The University of Texas Southwestern Medical Center at Dallas, Dallas, Texas, USA