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19th Week of Pregnancy

New Foods and New Moves

Baby Development at 19 Weeks Pregnant

She can suck her thumb, move her head, or make other moves that you might start to feel.

 
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Baby's Growth and Development at 19 Weeks Pregnant

During the weeks before, during, and after your 19th week of pregnancy, your baby’s brain develops at a phenomenal rate. Other systems continue to grow.

  • Your baby now measures about 6 inches, or the length of a summer squash.
  • When you're 19 weeks pregnant, your baby's brain develops millions of motor neurons. Neurons are nerves that help muscles in the brain communicate. This new and ongoing development means your baby can make purposeful and involuntary movements. She can suck her thumb, move her head, or make other moves that you might start to feel.
  • Your baby's hearing is even more developed when you're 19 weeks pregnant. She probably can hear external sounds and conversation by this time, or will very soon. Your voice is the most pronounced. She can hear you talk, hum, and sing!
  • Your baby's skin is covered in a white, waxy, protective coating called vernix.
  • Under the vernix, the fine hair called lanugo continues to cover her skin.
  • By your 19th week of pregnancy, your baby's kidneys function. Her urine is excreted into your amniotic sac, the bag of fluid in your uterus that contains your baby and amniotic fluid. Your placenta then removes the waste.
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