How Big Is Your Baby in Second Trimester?

Wonder how big your baby is now? Here's an approximate look at size, weight and height in the second trimester.

01 of 14

Week 14


Baby's Length: 3.25-4 in.

Baby's Weight: 1-1.50 oz.

Baby's Size: Peach

All length measurements in the second trimester are considered crown to rump (head to butt) because your baby's still too small to get an accurate head-to-toe assessment.

02 of 14

Week 15


Baby's Length: 4-4.5 in

Baby's Weight: 1.5-2 oz.

Baby's Size: Lemon

03 of 14

Week 16

Rubber Duckie

Baby's Length: 4.5-5 in

Baby's Weight: 2.5- 3 oz..

Baby's Size: Rubber Ducky

04 of 14

Week 17

Beanie Baby

Baby's Length: 4.5-5 in

Baby's Weight: 3-5 oz.

Baby's Size: Beanie Baby

05 of 14

Week 18

Soda can
Shawn Vincent -

Baby's Length: 5-5.5 in.

Baby's Weight: 5-7 oz.

Baby's Size: Soda Can

06 of 14

Week 19


Baby's Length: 5.5 - 6 in.

Baby's Weight: 7-9 oz.

Baby's Size: Grapefruit

07 of 14

Week 20


Baby's Length: 6-6.5 in.

Baby's Weight: 9-10 oz.

Baby's Size: Coconut

08 of 14

Week 21


Baby's Length: 6.5-7.0 in.

Baby's Weight: 10-13 oz.

Baby's Size: Cantaloupe

09 of 14

Week 22

1 lb. bag of coffee beans

Baby's Length: 7-7.5 in.

Baby's Weight: 1 lb.

Baby's Size: 1 lb. bag of coffee beans

10 of 14

Week 23

Loaf of bread

Baby's Length: 7.5-8.0 in.

Baby's Weight: 1-1.25 lbs.

Baby's Size: Loaf of bread

11 of 14

Week 24

½ gallon carton of milk
Uyen Le -

Baby's Length: 8-8.5 in.

Baby's Weight: 1.25 - 1.5 lb.

Baby's Size: 1/2 Gallon of Milk

12 of 14

Week 25

5 lb bag of flour

Baby's Length: 8.5-9 in.

Baby's Weight: 1.5-2 lbs.

Baby's Size: 5 lb. bag of flour

13 of 14

Week 26

Liter of soda

Baby's Length: 9-9.25 in.

Baby's Weight: 2 lb.

Baby's Size: Liter of soda

14 of 14

Week 27

Sock monkey

Baby's Length: 9.25-9.50 in.

Baby's Weight: 2-2.25 lbs.

Baby's Size: Sock Monkey

All content on this Web site, including medical opinion and any other health-related information, is for informational purposes only and should not be considered to be a specific diagnosis or treatment plan for any individual situation. Use of this site and the information contained herein does not create a doctor-patient relationship. Always seek the direct advice of your own doctor in connection with any questions or issues you may have regarding your own health or the health of others.

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