Human Growth and Development

Prenatal Development-Embryonic Period

What is the amniotic cavity?

The amniotic cavity is a fluid-filled chamber. It contains amniotic fluid that surrounds and cushions the developing embryo. At week 10 there is approximately 1 ounce (30 milliliters) of fluid in the cavity. Towards the end of a pregnancy, between weeks 34 and 36, there is about 1 quart (1 liter) of fluid.


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