Pediatric Polyhydramnios and Oligohydramnios Treatment & Management
- Author: Brian S Carter, MD, FAAP; Chief Editor: Ted Rosenkrantz, MD more...
Medical Care
The first step is identifying the etiology of the abnormal volume of amniotic fluid. Medical care includes the use of steroids to enhance fetal lung maturity if preterm delivery is anticipated.
- Polyhydramnios
- Patients with polyhydramnios tend to have a higher incidence of preterm labor secondary to overdistention of the uterus.
- Schedule weekly or twice weekly perinatal visits and cervical examinations.
- Place patients on bed rest to decrease the likelihood of preterm labor.
- Perform serial ultrasonography to determine the AFI and document fetal growth.
- In cases of polyhydramnios associated with fetal hydrops secondary to fetal anemia, the direct intravascular transfusion of erythrocytes (or infusion into the fetal abdomen) may improve the fetal hematocrit and fetal congestive heart failure, thereby allowing prolongation of the pregnancy and improving survival.
- Oligohydramnios
- Maternal bed rest and hydration promote the production of amniotic fluid by increasing the maternal intravascular space. Bed rest may also help when PIH is present, allowing prolongation of the pregnancy.
- Studies show that oral hydration, by having the women drink 2 liters of water, increases the AFI by 30%.
- In singleton pregnancies where oligohydramnios is present without maternal and fetal complications, evidence exists that either oral or intravenous maternal hydration (1500-2500ml/day) is associated with a 20-30% improvement in AFI and a reduction in cesarean delivery. Further studies are necessary to determine if a corresponding improvement in fetal and neonatal wellbeing can be substantiated with such "forced hydration" therapy.[7]
Consultations
- A specialist in maternal-fetal medicine should be consulted when significant oligohydramnios or polyhydramnios is present, especially when the condition is unexplained, involves hydrops fetalis, or is associated with congenital malformations.
- Genetic counseling may be helpful in cases in which congenital anomalies are identified.
- Consult a neonatologist, pediatric surgeon, pediatric cardiologist, pediatric nephrologist, or other genetics specialists as required to care for the infant.
Diet
- In cases of polyhydramnios in which maternal diabetes is suspected, perform a glucose tolerance test. If the test results are positive, treat the mother with an American Diabetes Association (ADA) diet. Insulin is rarely needed.
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