31 Weeks
31 Weeks size comparison
Baby is the size of a
honeydew melon
Baby at 31 weeks in womb

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
Layout Belly
31 Weeks pregnant illustration

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.
31 Week old baby in womb