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Fetal Health and Development
When you're pregnant, you're constantly wondering how your baby is doing in there. This comprehensive fetal development guide will tell you which systems and features are forming when, plus give good insight into baby kicks and other milestones in your little one's growth during pregnancy.
In This Section
Major Systems of the Body
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The Five Senses
SHOW MORE
Fetal Movement
Jump to Your Week of Pregnancy
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Pregnancy Week 1
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Pregnancy Week 2
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Pregnancy Week 3
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Pregnancy Week 4
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Pregnancy Week 5
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Pregnancy Week 6
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Pregnancy Week 7
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Pregnancy Week 8
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Pregnancy Week 9
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Pregnancy Week 10
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Pregnancy Week 11
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Pregnancy Week 12
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Pregnancy Week 13
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Pregnancy Week 14
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Pregnancy Week 15
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Pregnancy Week 16
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Pregnancy Week 17
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Pregnancy Week 18
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Pregnancy Week 19
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Pregnancy Week 20
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Pregnancy Week 21
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Pregnancy Week 22
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Pregnancy Week 23
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Pregnancy Week 24
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Pregnancy Week 25
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Pregnancy Week 26
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Pregnancy Week 27
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Pregnancy Week 28
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Pregnancy Week 29
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Pregnancy Week 30
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Pregnancy Week 31
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Pregnancy Week 32
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Pregnancy Week 33
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Pregnancy Week 34
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Pregnancy Week 35
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Pregnancy Week 36
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Pregnancy Week 37
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Pregnancy Week 38
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Pregnancy Week 39
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Pregnancy Week 40
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Pregnancy Week 41
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Pregnancy Week 42
The educational health content on What To Expect is reviewed by our medical review board and team of experts to be up-to-date and in line with the latest evidence-based medical information and accepted health guidelines, including the medically reviewed What to Expect books by Heidi Murkoff. This educational content is not medical or diagnostic advice. Use of this site is subject to our terms of use and privacy policy. © 2005-2024 Everyday Health, Inc., a Ziff Davis company.
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