Stages of Pregnancy Week by Week

Let our pregnancy week by week calendar guide you through the various stages of pregnancy right up until birth. We take you from the exciting time you first discover you're pregnant, through the uncomfortable stages of morning sickness. We'll help you pick a baby name, decorate your nursery, pack your hospital bag, and even prepare you for the pinnacle moment - the birth of your new baby! Find your week of pregnancy or get started with Week 1.
pregnancy books
Getting Advice Between Checkups
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Q&A: Choosing a Doctor
woman holding glass of water and prenatal vitamin
Q&A: Prescription Medication during Pregnancy
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How Much Weight is Too Much?
pregnant woman holding watermelon
How Big Is My Baby This Week? Here's a Baby Fruit Size Chart
Fetus inside the womb
Baby's Development in the Womb: A Week-By-Week Guide
Pregnancy to do list
Your Pregnancy To-Do List
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Baby Size Comparisons by Week That Aren't Fruit
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Your First Trimester of Pregnancy, Week-by-Week
Pregnancy week 11
Pregnancy Week 11
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Your Third Trimester of Pregnancy, Week-by-Week
Pregnancy week 15
Pregnancy Week 15
Pregnancy week 16
Pregnancy Week 16
Pregnancy week 13
Pregnancy Week 13
Pregnancy week 33
Pregnancy Week 33
Pregnancy week 14
Pregnancy Week 14
Pregnancy week 29
Pregnancy Week 29
Pregnancy week 10
Pregnancy Week 10
Pregnancy Week 2
Pregnancy week 17
Pregnancy Week 17
Pregnancy week 23
Pregnancy Week 23
Pregnancy week 34
Pregnancy Week 34
Pregnancy week 25
Pregnancy Week 25
Pregnancy week 26
Pregnancy Week 26
Pregnancy week 6
Pregnancy Week 6
Parenting week 9
Pregnancy Week 9
Pregnancy week 5
Pregnancy Week 5
Pregnancy week 36
Pregnancy Week 36
Pregnancy week 37
Pregnancy Week 37
week 4 pregnancy
Pregnancy Week 4
Pregnancy week 7
Pregnancy Week 7
Pregnancy Week 3
Pregnancy week 8
Pregnancy Week 8
Pregnancy week 21
Pregnancy Week 21
Pregnancy week 30
Pregnancy Week 30
Pregnancy week 32
Pregnancy Week 32
Week 35
Week 35 Ultrasound: What It Would Look Like
Pregnancy week 12
Pregnancy Week 12
Pregnancy Week 1
Pregnancy week 28
Pregnancy Week 28
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Should I be concerned if I am 25 weeks and haven't really felt my son moving yet?
Pregnancy week 31
Pregnancy Week 31
Pregnancy week 35
Pregnancy Week 35
Illustration by Yeji Kim
Pregnancy Week 24
Week 37
Week 37 Ultrasound: What It Would Look Like
Pregnancy week 22
Pregnancy Week 22
Week 9
Week 9 Ultrasound: What It Would Look Like
Pregnancy week 39
Pregnancy Week 39
Pregnancy week 20
Pregnancy Week 20
Pregnancy week 18
Pregnancy Week 18
Pregnancy week 19
Pregnancy Week 19
Pregnancy week 27
Pregnancy Week 27
Pregnancy week 38
Pregnancy Week 38
Pregnancy week 41
Pregnancy Week 41
Pregnancy week 40
Pregnancy Week 40
Week 20
Week 20 Ultrasound: What It Would Look Like
Week 39
Week 39 Ultrasound: What It Would Look Like
Week 21
Week 21 Ultrasound: What It Would Look Like
Week 4
Week 1 & 2 Ultrasounds: What They Would Look Like
Week 12
Week 12 Ultrasound: What It Would Look Like
Week 26
Week 26 Ultrasound: What It Would Look Like
Week 18
Week 18 Ultrasound: What It Would Look Like
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The Inside Story: Your Baby in Weeks 1 Through 4