Pregnancy Week by Week
Follow your pregnancy journey week by week and discover how your baby develops and how your body changes throughout pregnancy.
Track Your Baby
See your baby grow week by week
Understand Your Body
Learn about the changes happening to you
Stay Healthy
Get tips on nutrition, wellness & more
1st Trimester (Weeks 1-13)
Week 1
Very Early Stage
Week 2
Ovulation & Fertility
Week 3
Fertilization
Week 4
Implantation
Week 5
Embryo Development
Week 6
Heart Begins to Beat
Week 7
Growing Rapidly
Week 8
Organ Development
Week 9
Tiny Fingers and Toes
Week 10
Major Organs Formed
Week 11
Baby is Moving
Week 12
End of First Trimester
Week 13
Second Trimester Begins
2nd Trimester (Weeks 14-26)
Week 14
Baby is Growing
Week 15
You May Feel Movement
Week 16
Bones Are Forming
Week 17
Healthy Development
Week 18
Senses Are Developing
Week 19
Baby is More Active
Week 20
Halfway There
Week 21
Baby Can Hear Sounds
Week 22
Skin is Thickening
Week 23
Survival Instincts Develop
Week 24
Lungs Are Developing
Week 25
Third Trimester
Week 26
Eyes Can Open
3rd Trimester (Weeks 27-40)
Week 27
Brain is Developing
Week 28
Baby is Gaining Weight
Week 29
Strong Kicks and Rolls
Week 30
Preparing for Birth
Week 31
Growth Continues
Week 32
Bones Are Stronger
Week 33
Baby is Almost Ready
Week 34
Positioning for Birth
Week 35
Full-Term Approaching
Week 36
Almost There
Week 37
Full-Term
Week 38
Baby is Fully Developed
Week 39
Ready When You Are
Week 40
Due Date
Every pregnancy is unique
Use this guide as a general reference and always follow your doctor's advice.
