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Amniotic fluid surrounds the baby and protects it as it develops (gestates). It also helps the baby’s muscles, lungs, and digestive tract develop properly. Your doctor has determined that you have too little amniotic fluid in the womb. This is called oligohydramnios. In an otherwise healthy pregnancy, the problem may not need treatment. Read on to learn more.
This condition is most common during the last trimester and in pregnancies carried beyond term. This is because amniotic fluid levels naturally decline after 41 weeks. If the problem occurs earlier in pregnancy, it may be due to a health problem in the mother or fetus. Often, though, the cause of the low fluid levels is not known.
An ultrasound is done to measure the amount of amniotic fluid in the womb. The ultrasound uses sound waves to create detailed images of the inside of the womb. During the ultrasound test, the amount of amniotic fluid is measured, most often through a method called amniotic fluid index (AFI). Oligohydramnios is considered present if the AFI shows a fluid level less than 5 centimeters.
In many cases, drinking more fluids can help increase the level of amniotic fluid. Beyond that, your health and the health of your baby is monitored. Your healthcare provider will perform regular ultrasounds to monitor your amniotic fluid level. Fetal stress tests may also be done. These tests monitor the unborn child’s health. In many cases, no treatment is needed. If your healthcare provider decides that treatment is necessary, it may include:
Bed rest at home or hospitalization. During this time, the health of the mother and fetus are monitored closely.
IV fluids. A tube put into the arm or hand is used to give the mother fluids.
Amnioinfusion. This increases the amount of fluid in the womb by adding (infusing) sterile saltwater (saline solution).
Induction of labor. This may be done if the pregnancy is at term or beyond. Your healthcare provider will tell you more about this if it is needed.
If you or the fetus has a condition that has caused the low amniotic fluid level, the condition will be treated. Your healthcare provider can tell you more about the cause of your low amniotic fluid level. He or she can also discuss treatment options with you.
Fever of 100.4°F or higher
Sudden or severe abdominal cramping
Fluid leaking from the vagina
Regular, rhythmic contractions
Baby moving less than before