Pronounced: oh-lig-oh-HI-dram-knee-ohsEn Español (Spanish Version)
Oligohydramnios is too little fluid in the amniotic sac. The amniotic sac is the water bag inside the uterus that cushions and protects your baby. It also allows normal growth and development to occur. Normal amniotic fluid levels vary. The average volume during pregnancy is almost one liter at 36-37 weeks.
Low amniotic fluid can indicate a problem in the mother or the baby. It can also cause problems that vary depending on when in pregnancy oligohydramnios occurs.
Problems in the first half of pregnancy may include:
- Higher risk of miscarriage
- Compression of the baby, leading to birth defects
- Lack of lung development
Problems in the second half of pregnancy may include:
- Reduced growth of baby
- Preterm birth
- Fetal distress in labor, possibly leading to cesarean section
Fetus in Utero, Amniotic Fluid
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There are many known causes of oligohydramnios. However, sometimes a specific cause cannot be found. Conditions that can cause oligohydramnios include:
Last reviewedMay 2014by Andrea Chisholm, MD
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.