What to do about polyhydramnios? Natural ways to reduce polyhydramnios. What is polyhydramnios? Amniotic fluid is the fluid in the pregnant mother’s body. When the child is growing and developing in the womb, the amniotic sac and umbilical cord together provide the various nutrients the baby needs. The content of amniotic fluid will gradually increase with increasing gestational age, but if the content of amniotic fluid exceeds the normal range, polyhydramnios will occur. Polyhydramnios means that the amount of amniotic fluid in a pregnant mother’s belly exceeds 2000