what does the placenta do
The placenta is an organ that develops in your uterus during pregnancy. This structure provides oxygen and nutrients to your growing baby and removes waste products from your baby's blood.The placenta attaches to the wall of your uterus, and your baby's umbilical cord arises from it.lacenta: How it works, what's normal. The placenta plays a crucial role during pregnancy. Find out what the placenta does, issues that might affect the placenta and how the placenta is delivered. If you're pregnant, you might wonder what the placenta does and what factors can affect the placenta.