1 h 37 m, 10 dez 2002 ano - week 3 of pregnacy

Descrição:

This is when the sperm joins the egg and makes its way to the ovary.

When the egg makes its way to the ovary through the Fallopian tube and then into the uterus, the egg starts to fertilize.

After the egg is fertilized the cells begins to divide rapidly.

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