Learn More About Polyhydramnios

Everything you need to know about Polyhydramnios including the signs, symptoms, risks, diagnosis, testing, treatment, monitoring, labor and delivery, and statistics surrounding it.

polyhydramnios in pregnancy


Polyhydramnios is a pregnancy complication involving too much amniotic fluid that requires careful monitoring during the third trimester.

AFI (Amniotic Fluid Index)

Amniotic Fluid Index, AFI, is the sum total measurement of the deepest pocket of amniotic fluid in each of the four quadrants of your uterus.

what is amniotic fluid index
10 signs of polyhydramnios

Signs and Symptoms

A larger than expected uterus, difficulty breathing, excessive swelling, and other exaggerated late-term pregnancy symptoms are all signs of polyhydramnios.


Some of the risks of Polyhydramnios include preterm labor, premature ROM, cord prolapse, fetal malpresentation, and maternal hemorrhage.

what are the risks of polyhydramnios
What causes polyhydramnios


Nearly half of Polyhydramnios cases happen for unknown reasons, but after idiopathic cases, the leading causes of polyhydramnios are genetic anomalies in babies.

Diagnosis & Testing

Following a Polyhydramnios diagnosis, routine testing should include a GTT, NSTs, BPPs, and growth scans, with additional testing in more severe cases.

diagnosis and testing of polyhydramnios
Treatment and monitoring of polyhydramnios

Treatment & Monitoring

Treatment for Polyhydramnios includes management of the underlying condition (when possible), fetal surveillance, reducing fluid, and creating an effective care plan. 

Labor & Delivery

Recommended delivery guidelines for mild, moderate, and severe Polyhydramnios, both idiopathic and with known maternal or fetal complications.

Labor and delivery with polyhydramnios

Poly Statistics

Polyhydramnios is a rare condition that complicates about 1% of all pregnancies. This page breaks down all of the known statistics surrounding it.

Questions for Your Dr.

If you’ve been diagnosed with Polyhydramnios, you probably have a lot of questions. Use our guide to help you get the right ones answered.

questions for your doctor
FAQs about Polyhydramnios

Poly FAQs

Polyhydramnios is a concerning diagnosis that most often leaves moms with more questions than answers, like what does Polyhydramnios indicate, and should I be worried about having too much amniotic fluid?

Support Groups and Social Media Accounts

Do not go through Polyhydramnios alone. This is a growing list of online support groups and helpful social media accounts to follow.

support groups and social media accounts
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All of the evidence on this website has been gathered from information from the following sources:

Polyhydramnios references
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