How much amniotic fluid is considered normal? Amniotic fluid refers to the fluid in the amniotic cavity of the uterus during pregnancy. The main function of this fluid is to maintain a constant temperature of the fetus in the abdomen and relieve external impact. It can also reduce the discomfort of pregnant mothers during pregnancy. Under normal circumstances, the amount of amniotic fluid will increase with the increase of gestational age. In the second and third trimester of pregnancy or at term, the amount of amniotic fluid generally remains at 8…