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Week 40 of Pregnancy: What's Going On Inside

British Columbia Specific Information

If you have any questions or concerns about pregnancy, labour and baby care speak with your health care provider or contact HealthLink BC at 8-1-1 to speak with a registered nurse anytime of the day or night, any day of the year, or a pharmacist from 5:00 p.m. to 9:00 a.m.

You can also read Baby's Best Chance (PDF 14.88 MB), a parent’s handbook on pregnancy and baby care.

You can also access SmartMom, a Canadian prenatal education program that provides trustworthy educational text messages to help guide you through the weeks of your pregnancy: www.smartmomcanada.ca/.

 

Topic Contents

Topic Overview

You may have felt ready for baby to come for a while, but your baby may still be perfectly happy inside. It can be very hard to wait to meet your baby!

Wondering what your baby looks like now? At the end of ten months of pregnancy, your baby is about the size of a small watermelon. Average baby length is 450 mm (18 in.). And average baby weight is 3400 g (7.5 lb).

How your baby is changing

Here are some of the important facts and developments around 40 weeks.

  • Your baby is full-term.
  • By the time a baby is born at term, fat makes up 16% of body weight. The baby's growth has slowed in the last days before birth.
  • At this size, your baby does not have much room to move around. You will probably notice less "big" movement than before.

Credits

Adaptation Date: 1/17/2023

Adapted By: HealthLink BC

Adaptation Reviewed By: HealthLink BC