Pregnancy development
- Week 1
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- Week 5
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- Week 7
- Week 8
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- Week 25
- Week 26
- Week 27
- Week 28
- Week 29
- Week 30
- Week 31
- Week 32
- Week 33
- Week 34
- Week 35
- Week 36
- Week 37
- Week 38
- Week 39
- Week 40
This week launches a period of very rapid brain development and weight gain for your baby. Find out just how much he’s gaining each week.
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