18 Weeks
18 Weeks size comparison
Baby is the size of a
bell pepper
Baby at 18 weeks in womb

Baby this Week

  • Your baby is much more active and you may feel your baby move.
  • Baby is about 5 ounces (142 grams) and about 5 1/2 inches long (13.97 cms).

How Big is Baby?

Baby is 5.59 inches long (14.2 cm)
(Measured from crown to rump)
Baby weighs 6.70oz (190 grams)
*Metrics above are estimates of baby at 18 weeks
Layout Belly
18 Weeks pregnant illustration

Your Developments

  • You may be feeling back aches as your uterus has increased in size which may shift your normal center of gravity.

Pregnancy To Do's

  • When changing body positions try to move slowly to avoid any back or pelvic injuries.
18 Week old baby in womb