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Pregnancy Week by Week Guide

Track your baby's development and your changing body through every week of pregnancy. From the earliest signs of conception to the final days before birth, our comprehensive week-by-week guide covers everything you need to know about your pregnancy journey.

First TrimesterWeeks 1-12
Week 1
Not yet conceived
Week 2
Not yet conceived
Week 3
Smaller than a poppy seed
Week 4
Poppy seed
Week 5
Sesame seed
Week 6
Lentil
Week 7
Blueberry
Week 8
Raspberry
Week 9
Cherry
Week 10
Kumquat
Week 11
Fig
Week 12
Lime
Second TrimesterWeeks 13-26
Week 13
Peach
Week 14
Lemon
Week 15
Apple
Week 16
Avocado
Week 17
Pear
Week 18
Sweet potato
Week 19
Mango
Week 20
Banana
Week 21
Carrot
Week 22
Papaya
Week 23
Grapefruit
Week 24
Corn on the cob
Week 25
Cauliflower
Week 26
Lettuce head
Third TrimesterWeeks 27-42
Week 27
Rutabaga
Week 28
Eggplant
Week 29
Butternut squash
Week 30
Cabbage
Week 31
Coconut
Week 32
Jicama
Week 33
Pineapple
Week 34
Cantaloupe
Week 35
Honeydew melon
Week 36
Romaine lettuce
Week 37
Winter melon
Week 38
Leek
Week 39
Watermelon
Week 40
Pumpkin
Week 41
Pumpkin (large)
Week 42
Pumpkin (extra large)

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This calculator provides estimates only. Always consult your healthcare provider for medical advice and official due date confirmation.

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