Rapid Growth Weeks
What Week Does the Baby Grow the Most During Pregnancy?

Discover when your baby experiences the fastest growth during pregnancy, typically between weeks 16 and 20 in the mid-second trimester.

Baby's Growth Spurt
What Week in Pregnancy Does the Baby Grow the Most?

Discover when your baby experiences the most rapid growth during pregnancy and why weeks 16 to 20 are crucial for development.