If you have polyhydramnios, you usually have ultrasounds weekly or more often to check amniotic fluid levels. For example, if your baby’s heart rate is causing the problem, sometimes your provider can give you medicine to fix it.
Other times, it may go away when the problem causing it is fixed. In many cases, slight polyhydramnios goes away by itself. Amniocentesis is a test that takes some amniotic fluid from around the baby to check for problems, like birth defects. Your provider also may recommend a blood test for diabetes and an amniocentesis. When an ultrasound shows you have too much amniotic fluid, your provider does a more detailed ultrasound to check for birth defects and TTTS. Twin-to-twin transfusion syndrome (TTTS) – If you’re carrying identical twins, this is when one twin gets too much blood flow and the other gets too little.Mismatch between your blood and your baby’s blood, such as Rh and Kell diseases.Diabetes – Having too much sugar in your blood.A baby’s swallowing keeps the fluid in the womb at a steady level. Birth defects, especially those that affect the baby’s swallowing.In about half of cases, we don’t know what causes polyhydramnios. Fetal malposition – When a baby is not in a head-down position and may need to be born by cesarean section.Postpartum hemorrhage – Severe bleeding after birth.Stillbirth – When a baby dies in the womb after 20 weeks of pregnancy.Placental abruption – When the placenta partially or completely peels away from the wall of the uterus before birth.Premature rupture of the membranes (PROM) – When the amniotic sac breaks after 37 weeks of pregnancy but before labor starts.Premature birth – Birth before 37 weeks of pregnancy.Polyhydramnios may increase the risk of these problems during pregnancy: If your MPV is more than 8 centimeters, you have polyhydramnios.Īsk your provider if you have questions about these measurements. The MPV measures the deepest area of your uterus to check the amniotic fluid level. If your AFI is more than 24 centimeters, you have polyhydramnios. The AFI checks how deep the amniotic fluid is in four areas of your uterus. There are two ways to measure the fluid: amniotic fluid index (AFI) and maximum vertical pocket (MPV). Your health care provider uses ultrasound to measure the amount of amniotic fluid. This is because the uterus presses on your organs and lungs. If you have a lot of extra amniotic fluid you may have belly pain and trouble breathing. Many women with polyhydramnios don’t have symptoms. How do you know if you have polyhydramnios? It’s very important for your baby’s development. Amniotic fluid is the fluid that surrounds your baby in your uterus (womb). Polyhydramnios is when you have too much amniotic fluid.
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