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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
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Fetal Movement
Jump to Your Week of Pregnancy
Pregnancy Week 1
Pregnancy Week 2
Pregnancy Week 3
Pregnancy Week 4
Pregnancy Week 5
Pregnancy Week 6
Pregnancy Week 7
Pregnancy Week 8
Pregnancy Week 9
Pregnancy Week 10
Pregnancy Week 11
Pregnancy Week 12
Pregnancy Week 13
Pregnancy Week 14
Pregnancy Week 15
Pregnancy Week 16
Pregnancy Week 17
Pregnancy Week 18
Pregnancy Week 19
Pregnancy Week 20
Pregnancy Week 21
Pregnancy Week 22
Pregnancy Week 23
Pregnancy Week 24
Pregnancy Week 25
Pregnancy Week 26
Pregnancy Week 27
Pregnancy Week 28
Pregnancy Week 29
Pregnancy Week 30
Pregnancy Week 31
Pregnancy Week 32
Pregnancy Week 33
Pregnancy Week 34
Pregnancy Week 35
Pregnancy Week 36
Pregnancy Week 37
Pregnancy Week 38
Pregnancy Week 39
Pregnancy Week 40
Pregnancy Week 41
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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