pregnancysac
nounUK /ˈpreɡnənsi sæk/
US /ˈpreɡnənsi sæk/
A small bag inside a mom's belly that holds and protects a baby before it is born.
The doctor used a special camera to look at the pregnancy sac and make sure the baby was growing well.
RELATED WORDS
OTHER MEANINGS
2. The fluid-filled membrane that surrounds an embryo in early pregnancy.
An ultrasound at six weeks showed a healthy pregnancy sac in the uterus.
3. A protective pouch that keeps a developing baby safe and warm.
The pregnancy sac broke just before the mother went into labor.
4. A structure seen on a scan that helps doctors confirm a pregnancy.
The nurse pointed to the pregnancy sac on the screen and smiled.