Pregnancy Week by Week
Forty weeks, one honest page each: how big the baby really is, what's developing, what you may be feeling, and what actually helps. Save your due date and we'll mark your week.
First trimester · Weeks 1-12 · the quiet miracle weeks
WEEK 1
Counting begins
WEEK 2
An egg matures
WEEK 3
A seed is planted
WEEK 4
Poppy seed
WEEK 5
Sesame seed
WEEK 6
Lentil
WEEK 7
Blueberry
WEEK 8
Raspberry
WEEK 9
Green olive
WEEK 10
Prune
WEEK 11
Lime
WEEK 12
Plum
Second trimester · Weeks 13-27 · the golden weeks
WEEK 13
Peach
WEEK 14
Lemon
WEEK 15
Apple
WEEK 16
Avocado
WEEK 17
Turnip
WEEK 18
Bell pepper
WEEK 19
Mango
WEEK 20
Banana
WEEK 21
Carrot
WEEK 22
Spaghetti squash
WEEK 23
Grapefruit
WEEK 24
Ear of corn
WEEK 25
Rutabaga
WEEK 26
Zucchini
WEEK 27
Cauliflower
Third trimester · Weeks 28-40 · the countdown weeks
WEEK 28
Eggplant
WEEK 29
Butternut squash
WEEK 30
Large cabbage
WEEK 31
Coconut
WEEK 32
Jicama
WEEK 33
Pineapple
WEEK 34
Cantaloupe
WEEK 35
Honeydew melon
WEEK 36
Romaine lettuce
WEEK 37
Swiss chard
WEEK 38
Leek
WEEK 39
Mini watermelon
WEEK 40
Small pumpkin
All sizes and weights are published averages — your baby's measurements at a given week can be perfectly healthy while differing from these numbers. Your provider's ultrasound dating always comes first.