Occasionally, during pregnancy, the placenta can separate from the uterus. This causes a disruption in development and sometimes death if the fetus. Harm to the developing fetus might occur because the placenta

If the placenta separates to the uterus it will likely cause harm to the fetus. It is because the main role of the placenta is to be able to provide nutrients and oxygen for the fetus. It's main role is also to remove unnecessary waste on the blood of the fetus, in order to keep the fetus healthy.