Pronounced: pah-lee-HI-dram-knee-ohsEn Español (Spanish Version)
Polyhydramnios is too much fluid in the amniotic sac. The amniotic sac is the “water bag” inside the womb. It protects your baby. Usually, there is about 1 liter of fluid by 36 weeks of pregnancy. Polyhydramnios is an amniotic fluid index (AFI) of greater than 25 cm. About 2% of pregnant women have more than 25 cm and have polyhydramnios. The condition can result in:
- Early labor and delivery (preterm delivery)
- Cesarean delivery
- Increased bleeding after delivery
- Reduced growth in the baby
- Cord prolapse —The umbilical cord descends into the vagina before the baby.
Fetus in Utero, Amniotic Fluid
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About two-thirds of the time, the cause of polyhydramnios is not known. One-third of the time, a cause is found. Some causes are related to the mother and others are related to the baby.
Conditions that can cause polyhydramnios:
Last reviewedNovember 2012by Andrea Chisholm
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.