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20th Week of Pregnancy

Your Baby Likes to Catnap

Baby Development at 20 Weeks Pregnant

Your baby's skin thickens and develops layers under the vernix during the 20th week of pregnancy.

 
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Baby's Growth and Development at 20 Weeks Pregnant

Your baby moves, sleeps, and wakes. He takes frequent short naps that last anywhere from 20 to 30 minutes. Though your baby engages in REM (rapid eye movement) sleep, it is unclear whether he can dream.

When you're 20 weeks pregnant, your baby is getting used to all his developing parts. Your baby is moving around and you may be able to feel it. Baby development includes:

  • When you're 20 weeks pregnant, your baby measures about 6 inches, about the length of an eggplant, and weighs about half a pound.
  • Your baby's skin thickens and develops layers under the vernix during the 20th week of pregnancy.
  • His hair and nails continue to grow.
  • His limbs are well developed when you’re 20 weeks pregnant.
  • Your baby is moving and you can feel it. Make a note of when you felt these movements start and let your doctor know.
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