31 Weeks Pregnant

31 Weeks size comparison

Baby this Week

  • Baby from head to toe is now about 18 inches long and is over 3 lbs.
  • Your baby is now getting into a sleep pattern and having longer stretches of sleep.

How Big is Baby?

Baby is 16.18 inches long (41.1 cm)
(Measured from crown to heel)
Baby weighs 3.31lbs (1502 grams)
*Metrics above are estimates of baby at 31 weeks

Images of Baby at 31 Weeks

31 Weeks pregnant illustration
31 Week old baby in womb

Your Developments

  • You may feel shortness of breath as a result of increased pressure from your uterus against your lungs.

Pregnancy To Do's

  • If you are physically able and your doctor advises, walking and general exercise can be great during pregnancy. Exercising can help circulate blood through out your body and take pressure off your lower limbs.


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.