How much fluid does the amniotic sac hold typically?

The amniotic sac typically holds about 2 liters of fluid during a full-term pregnancy. This volume can vary throughout the pregnancy, with fluid levels peaking around 36 weeks. The amniotic fluid serves several critical functions: it cushions the growing fetus, allows for movement and development, helps maintain a constant temperature, and plays a role in the development of the fetal lungs and digestive system.

This knowledge is important in various medical and paramedical contexts, as understanding amniotic fluid volume can help in assessing fetal wellbeing and conditions such as polyhydramnios (excess amniotic fluid) and oligohydramnios (insufficient amniotic fluid). Knowing that the typical volume is around 2 liters provides a baseline for evaluating potential complications during labor and delivery.