Baby is the size of a
peach
Baby this Week
- The lungs have taken shape; primitive breathing motions begin.
- The swallowing reflex has been mastered as the fetus sucks its thumb while floating weightlessly in the amniotic fluid.
![](https://www.duringpregnancy.com/wp-content/uploads/14weekspregnant.jpg)
How Big is Baby?
Baby is 3.42 inches long (8.7 cm)
(Measured from crown to rump)
Baby weighs 1.52oz (43 grams)
*Metrics above are estimates of baby at 14 weeks
![](https://www.duringpregnancy.com/wp-content/uploads/14.jpg)
Your Developments
The placenta has reached complete functional maturity, acting as your baby’s lungs, kidneys, liver, digestive and immune systems.
Pregnancy To Do’s
- Now is a great time to research child birthing classes
![](https://www.duringpregnancy.com/wp-content/uploads/14weeks-womb-grad.jpg)