The symptoms, problems and adjustment methods of polyhydramnios in early pregnancy, as well as the prevention and treatment of amniotic fluid embolism are as follows. 7. If there is polyhydramnios in early pregnancy, attention should be paid to preventing amniotic fluid embolism. : There is a lot of amniotic fluid in early pregnancy, so you need to pay attention to prevent amniotic fluid embolism. In early pregnancy, amniotic fluid is responsible for the development of the baby.