Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs PolyhydramniosUpdated: 2017-06-13OverviewWith polyhydramnios, there's an excess of the fluid that surrounds the baby in the womb during pregnancy (amniotic fluid).SymptomsMost cases are mild and clear up on their own. Severe cases may cause shortness of breath and preterm labor. TreatmentsThey may require treatment such as draining the excess fluid. © 1998-2022 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use