Amniotic Sac
Current as of: May 29, 2019
Author: Healthwise Staff
Medical Review:Sarah A. Marshall, MD – Family Medicine & Adam Husney, MD – Family Medicine & William M. Gilbert, MD – Maternal and Fetal Medicine
The amniotic sac, or amnion, is a lining (membrane) inside the uterus that contains the fetus and the fluid that cushions the fetus (amniotic fluid). The amniotic sac is also called the “bag of waters.”