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Pregnancy: Week-by-week

See how your baby is developing and what to expect from your pregnancy, delivered every week to your inbox.

Month 1
Week 1
Week 2
Week 3
Week 4
Month 2
Week 5
Week 6
Week 7
Week 8
Month 3
Week 9
Week 10
Week 11
Week 12
Month 4
Week 13
Week 14
Week 15
Week 16
Month 5
Week 17
Week 18
Week 19
Week 20
Month 6
Week 21
Week 22
Week 23
Week 24
Month 7
Week 25
Week 26
Week 27
Week 28
Month 8
Week 29
Week 30
Week 31
Week 32
Month 9
Week 33
Week 34
Week 35
Week 36
Month 10
Week 37
Week 38
Week 39
Week 40
Week-by-week fetal development
First trimester
Second trimester
Third trimester
Week-by-week pregnancy tips from our OB/GYNs
First trimester
Second trimester
Third trimester
Caring for your new baby
Preemies
Newborns
Breastfeeding
Formula Feeding

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