SPECIAL OFFER: - Limited Time Only!
(The ad below will not display on your printed page)

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.
Poppy seed 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.