What Causes Polyhydramnios?
The causes of polyhydramnios include congenital defects in the baby. The higher the level of fluid, the greater the likelihood of a congenital defect. These congenital defects may create a problem swallowing which stops the ingesting of amniotic fluid. The result is a build-up of fluid in the womb. Intestinal tract blockages or neurological problems are also a possible contributor. Rh factor had, at one time, a marked effect on polyhydramnios. However, with the increase in screening over recent years, the effects of Rh factor implications have been reduced significantly. There is a connection between diabetes in the mother and too much amniotic fluid. If the pregnancy is a multiple (twins), there is a condition known as twin-to-twin transfusion syndrome which is a complication that can affect a pregnancy with identical twins. Blood flow is very great in one baby and insufficient in the other as a result of blood vessel connections in the placenta. About 65 percent of cases of polyhydra
