Polyhydramnios is a concern that might impact the baby’s survivability because too much amniotic fluid can cause uterine overdistention, leading to premature labor or an early rupture of the amniotic sac. The latter runs the risk of placental abruption, or a premature detachment of the placenta from the uterus, which can in some cases cause hemorrhaging. Polyhydramnios is also associated with umbilical cord relapse, a condition in which the umbilical cord falls through the cervical opening and may become compressed, making it more difficult for the baby to take in needed nutrients. Moreover, this condition is also linked to birth defects that can impact the child’s survival and quality of life. A diagnosis of polyhydramnios may lead your doctor to conduct an amniocentesis to look for genetic defects.
However, mild polyhydramnios that occurs late in pregnancy rarely causes serious problems. It will require follow-up care with your doctor, who will monitor the amount of amniotic fluid in the womb. In more severe cases, medication or the removal of excess fluid may be required.