Baby is the size of a
blueberry
Baby this Week
- The heart starts to pump blood.
- Limb buds appear.
- Major divisions of the brain can now be discerned.
![](https://www.duringpregnancy.com/wp-content/uploads/7weekspregnant.jpg)
How Big is Baby?
Baby is 0.47 inches long (1.2 cm)
(Measured from crown to rump)
Baby weighs <0oz (0 grams)
*Metrics above are estimates of baby at 7 weeks
![](https://www.duringpregnancy.com/wp-content/uploads/7.jpg)
Your Developments
- Your blood volume is steadly increasing.
Pregnancy To Do’s
- As your blood volume is increasing, adequate water intake is a must if feeling thirsty.
![](https://www.duringpregnancy.com/wp-content/uploads/7weeks-womb-grad.jpg)