18 Weeks Pregnant

Your Baby's Development at Week 18 of Pregnancy

By the time you are 18 weeks pregnant, your baby starts to produce feces and stores it in the colon. Just think -- he or she is starting to save up for all of those diapers you will be changing! Other fetal development occurring around week 18 of pregnancy includes the following:
  • The skeleton can be clearly outlined in the ultrasound of the fetus
  • Ears stand out from the head
  • Lanugo (soft, fine hair) covers the entire body
  • Pads (the fatty, soft parts) are forming on the fingertips and toes
  • The eyes are looking forward rather than out the sides of the head
  • If your baby is a boy, his prostate gland is beginning to develop
  • Your baby's bones begin to harden, or ossify -- keep up that calcium!
  • Your baby's taste buds are beginning to develop, allowing them to distinguish sweet from bitter.
Your baby is hearing fairly well during week 18, because the bones in the inner ear and the nerve endings from the brain will have developed. This means that your baby will hear sounds such as your heartbeat and blood moving through the umbilical cord.
Pregnancy and Pain

Week by Week Pregnancy

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