14 Weeks
14 Weeks size comparison
Baby is the size of a
Baby at 14 weeks in womb

Baby this Week

  • The lungs have taken shape; primitive breathing motions begin.
  • The swallowing reflex has been mastered as the fetus sucks its thumb while floating weightlessly in the amniotic fluid.

How Big is Baby?

Baby is 3.42 inches long (8.7 cm)
(Measured from crown to rump)
Baby weighs 1.52oz (43 grams)
*Metrics above are estimates of baby at 14 weeks
Layout Belly
14 Weeks pregnant illustration

Your Developments

  • The placenta has reached complete functional maturity, acting as your baby's lungs, kidneys, liver, digestive and immune systems.
  • Pregnancy To Do's

    • Now is a great time to research child birthing classes
    14 Week old baby in womb