Childbirth is really a series of four stages that culminate in the actual birth and short period thereafter. For more specific information regarding emergency delivery see the information on childbirth, emergency delivery.
Review Date 7/2/2022
Updated by: John D. Jacobson, MD, Department of Obstetrics and Gynecology, Loma Linda University School of Medicine, Loma Linda, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.