Fetal Development By Week: 20 Weeks Pregnant

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iVillage Staff on Apr 27, 2010 at 8:54PM

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Fetal Development By Week: 20 Weeks Pregnant

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Fetal Development Week 20: See Your Baby Grow

Nerve cells for the five senses are developing in your baby’s brain, which means he may startle in reaction to a loud sound (like a car backfiring) from outside the womb. Immunities are also being transferred from you to your baby now to help protect him from illnesses you’ve already had.

Get more information on being 20 weeks pregnant.

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