How Big Is Your Baby in First Trimester?

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

from American Baby

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Joseph Calev - Fotolia.com
Week 4

Baby's Length: <.25 in.

Baby's Weight: <.25 oz.

Baby's Size: Poppy seed

All length measurements in the first trimester are considered crown-to-rump (head-to-butt) because your baby's still too small to get an accurate head-to-toe assessment.
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ROBYN MACKENZIE - Fotolia.com
Week 5

Baby's Length: <.25 in.

Baby's Weight: <.25 oz.

Baby's Size: Peppercorn
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Week 6

Baby's Length: <.25 in

Baby's Length: <.25 in

Baby's Size: Lentil
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Tomas Loutocky - Fotolia.com
Week 7

Baby's Length: <.25-.33 in.

Baby's Weight: <.25 oz.

Baby's Size: Coffee bean
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Week 8

Baby's Length: .50 - .75 in.

Baby's Weight: <.25 oz.

Baby's Size: Blueberry
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Fotolia.com
Week 9

Baby's Length: 1 - 1.25 in.

Baby's Weight: <.25 oz.

Baby's Size: Peppermint candy
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Week 10

Baby's Length: 1.25 - 1.75 in.

Baby's Weight: <.25 oz.

Baby's Size: Grape
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Peter Krumhardt
Week 11

Baby's Length: 1.5 - 2.5 in.

Baby's Weight: .25 oz.

Baby's Size: California Roll
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Week 12

Baby's Length: 2.5 - 3 in.

Baby's Weight: .50 oz.

Baby's Size: Pacifier
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Week 13

Baby's Length: 2.5 - 3 in.

Baby's Weight: .50 - 1 oz.

Baby's Size: Egg
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For more comparisons, check out your baby's size in the second and third trimesters!
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