Amniotic fluid serves to nourish and protect the fetus throughout pregnancy. By examining the color and volume of the amniotic fluid, doctors can assess the health status and certain conditions of the fetus.

Polyhydramnios is the phenomenon of excess accumulation of amniotic fluid beyond the normal level. Amniotic fluid plays an extremely important role in the development of the fetus, however, excess amniotic fluid can potentially pose some risks and affect the mother and fetus, especially for fetuses at weeks 37-39.