39 Weeks

39 Weeks size comparison
is the size of a
Baby at 39 weeks in womb

Baby this Week

  • At Week 39 baby is officially "Full Term" and ready to be born any time.
  • Baby's weight gain continues - though at a slower rate.

How Big is Baby?

Baby is 19.96 inches long (50.7 cm)
(Measured from crown to heel)
Baby weighs 7.25lbs (3288 grams)
*Metrics above are estimates of baby at 39 weeks
Layout Belly
39 Weeks pregnant illustration

Your Developments

  • You might notice changes as your body prepares for delivery - baby might be engaged in the pelvis and Braxton Hicks (mock/rehearsal) contractions might be stronger.
  • You may experience noticeable loss of amniotic fluid or the mucous plug may come away.
  • Labor can start any time so be familiar with the signs of labor and keep in contact with your health care provider.

Pregnancy To Do's

  • Check if you have done everything you need to do before the birth.
  • Continue to get rest.
  • Keep in contact with your health care practitioner, particularly if you notice changes in baby's movements, or signs of labor.
39 Week old baby in womb

Disclaimer: All information featured on duringpregnancy.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.