What happens during the third trimester?

At 32 weeks:

  • Your baby’s bones are fully formed, but are still soft.
  • Your baby’s kicks are stronger.
  • The eyes can open and close and can sense changes in light.
  • Your baby’s body begins to store important minerals, like iron and calcium.
  • The lanugo (fine hair) starts to fall off.
  • Your baby is about 15 to 17 inches long and weighs around 4 pounds.

At 36 weeks:

  • The waxy coating called vernix gets thicker.
  • Your baby is getting bigger and has less room to move around.
  • Your baby is about 16-19 inches long and weighs around 6 pounds.

At weeks 27-40:

  • Your baby is considered full term and the organs can function on their own.
  • Your baby may turn into a head-down position for birth.
  • At birth, your baby may weigh between 6 and 9 pounds and be between 19 and 21 inches long.