Baby is the size of a
sweet potato
Baby this Week
- An oily coating protects the fetus.
- Fine hair covers the body and keeps the oil on the skin.
![](https://www.duringpregnancy.com/wp-content/uploads/20weekspregnant.jpg)
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
![](https://www.duringpregnancy.com/wp-content/uploads/20.jpg)
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.
![](https://www.duringpregnancy.com/wp-content/uploads/20weeks-womb-grad.jpg)