prenatal timeline

By gracesaunders12345679964

  • week nine

    fetal stage begins

  • week 12

    sec organs differentiate

  • week 16

    Fingers and toes develop

  • week 20

    hearing begins

  • week 24

    Lungs began to develop

  • week 28

    Brain grows rapidly

  • week 32

    bones fully develop

  • week 36

    Muscles fully develop

  • week 40

    Full term development