Baby Size Comparison

Track your baby's amazing growth journey week by week. See how your little one compares to fruits and vegetables at every stage of pregnancy.

Select Your Pregnancy Week
Week 20 - Your Baby's Size
🍌

Banana

Second Trimester
6.46 in
Length
10.58 oz
Weight

This Week's Development

Halfway point! Baby can swallow and taste

Growth Timeline
🥬
Week 17
Turnip
5.12 in4.94 oz
🫑
Week 18
Bell pepper
5.59 in6.70 oz
🍅
Week 19
Tomato
6.02 in8.47 oz
🍌
Week 20
Banana
6.46 in10.58 oz
🥕
Week 21
Carrot
10.51 in12.70 oz
🥒
Week 22
Spaghetti squash
10.94 in15.17 oz
🥭
Week 23
Large mango
11.38 in1.10 lbs
1
First Trimester

1-13 weeks

🌱 Weeks 4-8: Poppy seed → Kidney bean
🫐 Weeks 9-13: Grape → Peach
Major organ development and formation
2
Second Trimester

14-26 weeks

🍋 Weeks 14-18: Lemon → Bell pepper
🍌 Weeks 19-26: Tomato → Scallion
Rapid growth and movement begins
3
Third Trimester

27-40 weeks

🥬 Weeks 27-32: Cauliflower → Jicama
🍍 Weeks 33-40: Pineapple → Pumpkin
Final preparations for birth
Amazing Growth Facts

Incredible Growth

Your baby grows from the size of a poppy seed to a small pumpkin in just 36 weeks!

By week 20, your baby is about halfway to their birth weight

In the third trimester, your baby gains about ½ pound per week

Development Milestones

Heart starts beating around week 5-6

First movements felt around weeks 16-24

Eyes can open and close by week 26

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