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3 trimesters

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    1-3 Months

    Within the first two months the baby will develop from a ball of cells called blastocyst. The embryo has become a fetus and has vital organs.Baby weighs about an ounce and Is about 3 inches long.
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    4-6 months

    The baby sex will be visible, also it’s circulatory system will begin pumping blood and bones will harden.The taste buds are developing and the brain is growing quickly.Baby weighs 2-3 pounds and is 13-16 inches long.
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    7-9 months

    The baby brain will be developing billions of neutrons.The baby skin will fill out with baby fat as its body prepare for the outside world.The baby average birth weigh is 6-9 pounds and is 19-21 inches long.At 40 weeks the baby is ready for life outside the womb.