![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/1/13/Human_fetus_10_weeks_with_amniotic_sac_-_therapeutic_abortion.jpg/640px-Human_fetus_10_weeks_with_amniotic_sac_-_therapeutic_abortion.jpg&w=640&q=50)
Amniotic sac
sac in which the fetus develops in amniotes / From Wikipedia, the free encyclopedia
The amniotic sac holds a fetus while it is developing during pregnancy. The amniotic sac is filled with amniotic fluid, which protects the fetus.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/1/13/Human_fetus_10_weeks_with_amniotic_sac_-_therapeutic_abortion.jpg/640px-Human_fetus_10_weeks_with_amniotic_sac_-_therapeutic_abortion.jpg)
The amniotic sac holds a fetus while it is developing during pregnancy. The amniotic sac is filled with amniotic fluid, which protects the fetus.