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First, the penis must be inserted into the vagina. The penis will release the sperms (male sex cell) into the womb. Then, the sperm meets the egg (female sex cell). Then, they fuse together. The fertilised egg starts to divide to make more cells. It attaches itself to the wall of the mothers womb and continue to develop and grow. Soon, organs begin to form and the baby gets its nutrients from its mother through the umbilical cord. About nine months after fertilisation, the baby is born.

Here is a link to a great website with photos showing the baby's development from week to week!

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7y ago

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