Fetal Development Stages

A week-by-week guide to your baby's growth during the 40 weeks of pregnancy

This stage begins from the first day of the last menstrual period and extends to the end of week 13. The baby organs begin forming and early pregnancy symptoms appear.

The golden phase of pregnancy. Symptoms improve and baby gender can be determined. Important tests like anomaly scans and gestational diabetes screening are performed.

The final stage where baby development completes and preparations for birth begin. Weight exceeds 3 kilograms and doctor visits increase.

Week 1

Week 2

Week 3

Smaller than a grain of salt

Week 4

Size of a poppy seed

Week 5

Size of a sesame seed

Week 6

Size of a lentil

Week 7

Size of a blueberry

Week 8

Size of a kidney bean

Week 9

Size of a cherry

Week 10

Size of a strawberry

Week 11

Size of a fig

Week 12

Size of a lime

Week 13

Size of a peach

Week 14

Size of a large lemon

Week 15

Size of an apple

Week 16

Size of an avocado

Week 17

Size of a pomegranate

Week 18

Size of a bell pepper

Week 19

Size of a mango

Week 20

Size of a banana

Week 21

Size of a large carrot

Week 22

Size of a small papaya

Week 23

Size of an eggplant

Week 24

Size of an ear of corn

Week 25

Size of a cauliflower

Week 26

Size of a large zucchini

Week 27

Size of a head of cauliflower

Week 28

Size of a large eggplant

Week 29

Size of a butternut squash

Week 30

Size of a large cabbage

Week 31

Size of a coconut

Week 32

Size of napa cabbage

Week 33

Size of a pineapple

Week 34

Size of a cantaloupe

Week 35

Size of a honeydew melon

Week 36

Size of romaine lettuce

Week 37

Size of a winter melon

Week 38

Size of a small watermelon

Week 39

Size of a watermelon

Week 40

Size of a large watermelon

Select a week to learn about your baby's development

This information is for educational purposes only. Every pregnancy is different. Consult your OB/GYN for personalized guidance.

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