1. Developing embryo is protected by amnionic fluid
2. Fluid fills up the uterus
3. Functions - protects the embryo - the fluid (largely water) - cannot be compressed - the fluid absorbs the pressure
4. Meaning that any force applied to the uterus wall, the fluid will absorb the pressure and protects the child
the fluid supports the foetus as it cannot support its own weight as the bones are not calcified (hard).
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