Skip to Content

Amniotic Sac

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."

Wellness Matters

Subscribe to our Wellness Matters e-newsletter, a monthly snapshot of the some of great wellness content from Cone Health providers.

Subscribe Now

Health Library

  • Amniotic Sac