Fetal Development By Week: 21 Weeks Pregnant

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iVillage Staff on Apr 27, 2010 at 9:22PM

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Fetal Development By Week: 21 Weeks Pregnant

GE Healthcare

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Fetal Development Week 21: See Your Baby Grow

The more sophisticated baby’s brain gets, the more consistent her sleep patterns can become. Some studies suggest that she can even set her internal clock to match the outside world. Your eating and sleeping habits also help her stay on track.

Get more information on being 21 weeks pregnant.

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