My Body – Pregnancy Week 4Brought to you by
What else is happening?
A primitive version of the placenta is also developing inside you. Your placenta will even begin functioning at the end of this week! Right now, it is actively creating space in the lining of your uterus, so it can provide nutrients and oxygen to your developing baby. In the meantime, the yolk sac will be providing food for your baby. You may be noticing some symptoms of pregnancy already, like tender breasts, tiredness, and morning sickness. Just think of all the work that is going on inside of you–it’s no wonder you are tired!