20 Weeks Pregnant

20 Weeks size comparison

Baby this Week

  • An oily coating protects the fetus.
  • Fine hair covers the body and keeps the oil on the skin.

How Big is Baby?

Baby is 10.08 inches long (25.6 cm)
(Measured from crown to heel)
Baby weighs 10.58oz (300 grams)
*Metrics above are estimates of baby at 20 weeks

Images of Baby at 20 Weeks

20 Weeks pregnant illustration
20 Week old baby in womb

Your Developments

  • Possible faintness or dizziness when standing suddenly.
  • This is caused by reduced blood flow to the brain as your body adjusts to new circulatory patterns.
  • You may also feel a little short of breath.

Pregnancy To Do's

  • Try to sit with your feet up whenever possible; rise slowly and support yourself.
  • Gentle exercise such as walking, cycling or swimming are very helpful in stimulating your blood flow.


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.