A retained placenta is when part or all of the placenta is not delivered after the baby is born. It can lead to serious infection or blood loss.

Placenta praevia is a condition where the placenta lies low and may cover the cervix, blocking the baby's exit during birth.

The placenta is crucial to keeping your baby alive and well during pregnancy. Read more here.

Placenta accreta is a serious but rare pregnancy complication that causes heavy bleeding. If you have it, you will need special care at the birth.

The placenta develops inside the uterus during pregnancy and provides your baby with nutrients and oxygen. If something goes wrong, it can be serious.

Placental insufficiency occurs when the placenta does not work properly and your baby doesn't get the oxygen and nutrients they need.

Placenta previa means the placenta has implanted at the bottom of the uterus, over the cervix or close by.

The placenta is an organ within the uterus (womb) through which the unborn baby gets nutrients (food) and oxygen, as well as removing waste products

Placental abruption means the placenta has detached from the wall of the uterus, starving the baby of oxygen and nutrients.

If a woman drinks during pregnancy the alcohol crosses the placenta to the baby. But what about the effect of alcohol on men?