Baby Growth Chart - Average Weekly Size for Weeks 26-40

Please Note:
- Pregnancy weeks are counted from your last menstrual period.
- Weeks 3-19, measurements are taken from head to rump.
- Weeks 20-40, measurements are taken from head to toe.

Week 26

Fetus Size
Your baby is about the size of a head of broccoli during week 26.

LENGTH: 13.98 in / 35.5 cm
WEIGHT: 1.60 lb / 725.7 g

Fetus Image Week 26 >>

Week 27

Fetus Size
Your baby is about the size of a cantaloupe during week 27.

LENGTH: 14.68 in / 37.3 cm
WEIGHT: 1.95 lb / 884.5 g

Fetus Image Week 27 >>

Week 28

Fetus Size
Your baby is about the size of an eggplant during week 28.

LENGTH: 14.99 in / 38.1 cm
WEIGHT: 2.29 lb / 1038.7 g

Fetus Image Week 28 >>

Week 29

Fetus Size
Your baby is about the size of a spaghetti squash in week 29.

LENGTH: 15.51 in / 39.4 cm
WEIGHT: 2.57 lb / 1165.7 g

Fetus Image Week 29 >>

Week 30

Fetus Size
Your baby is about the size of cauliflower during week 30.

LENGTH: 15.89 in / 40.4 cm
WEIGHT: 2.94 lb / 1333.6 g

Fetus Image Week 30 >>

Week 31

Fetus Size
Your baby is about the size of cabbage during week 31.

LENGTH: 16.34 in / 41.5 cm
WEIGHT: 3.35 lb / 1519.5 g

Fetus Image Week 31 >>

Week 32

Fetus Size
Your baby is about the size of a pineapple during week 32.

LENGTH: 17.04 in / 43.3 cm
WEIGHT: 3.81 lb / 1728.2 g

Fetus Image Week 32 >>

Week 33

Fetus Size
Your baby is about the size of a honeydew during week 33.

LENGTH: 17.65 in / 44.8 cm
WEIGHT: 4.30 lb / 1950.4 g

Fetus Image Week 33 >>

Week 34

Fetus Size
Your baby is about the size of celery during week 34.

LENGTH: 18.12 in / 46 cm
WEIGHT: 4.82 lb / 2186.3 g

Fetus Image Week 34 >>

Week 35

Fetus Size
Your baby is about the size of romaine lettuce during week 35.

LENGTH: 18.64 in / 47.3 cm
WEIGHT: 5.33 lb / 2417.6 g

Fetus Image Week 35 >>

Week 36

Fetus Size
Your baby is about the size of Napa cabbage during week 36.

LENGTH: 18.99 in / 48.2 cm
WEIGHT: 5.84 lb / 2648.9 g

Fetus Image Week 36 >>

Week 37

Fetus Size
Your baby is about the size of a butter squash during week 37.

LENGTH: 19.51 in / 49.5 cm
WEIGHT: 6.36 lb / 2884.8 g

Fetus Image Week 37 >>

Week 38

Fetus Size
Your baby is about the size of a crenshaw melon during week 38.

LENGTH: 19.98 in / 50.7 cm
WEIGHT: 7.26 lb / 3293.1 g

Fetus Image Week 38 >>

Week 39

Fetus Size
Your baby is about the size of a watermelon during week 39.

LENGTH: 20.31 in / 51.6 cm
WEIGHT: 7.78 lb / 3528.9 g

Fetus Image Week 39 >>

Week 40

Fetus Size
Your baby is about the size of a pumpkin during week 40.

LENGTH: 20.58 in / 52.2 cm
WEIGHT: 7.98 lb / 3619.7 g

Fetus Image Week 40 >>