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 develops inside the uterus (womb) during pregnancy. It gives your baby nutrients and oxygen. Find out more about the placenta 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.

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

Placental abruption is when some or all of the placenta peels away from the uterus wall before birth. It can deprive the baby of oxygen and nutrients.

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

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?

Starting approximately two weeks after conception, a hormone called human chorionic gonadatropin (hCG) hormone is produced by the developing placenta and can be detected in urine and in blood