14 Weeks Pregnant

14 Weeks size comparison

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

Images of Baby at 14 Weeks

14 Weeks pregnant illustration
14 Week old baby in womb

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


    Disclaimer: All information featured on weeksduringpregnancy.com should be used for educational purposes only and is not intended to replace medical advice.
    Consult your doctor, physician or midwife regarding any personal pregnancy issues or medical conditions.