Related Experiment Videos
Idiopathic polyhydramnios and perinatal outcome
A Panting-Kemp1, T Nguyen, E Chang
1Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Illinois at Chicago, 60612, USA.
American Journal of Obstetrics and Gynecology
|November 16, 1999
Summary
Idiopathic polyhydramnios, a condition of excess amniotic fluid without a known cause, is not linked to increased risks of preterm birth, low birth weight, or perinatal death. However, it is associated with higher rates of fetal malpresentation, macrosomia, and cesarean delivery.
Area of Science:
- Perinatal Medicine
- Obstetrics
- Maternal-Fetal Medicine
Background:
- Idiopathic polyhydramnios is defined as excessive amniotic fluid in pregnancy without an identifiable cause.
- Previous studies suggest polyhydramnios, particularly when linked to specific conditions like congenital anomalies or diabetes, correlates with adverse perinatal outcomes.
- The association between idiopathic polyhydramnios and specific adverse perinatal outcomes requires further clarification.
Purpose of the Study:
- To investigate the association between idiopathic polyhydramnios and adverse perinatal outcomes.
- To compare perinatal outcomes in pregnancies with idiopathic polyhydramnios versus those with normal amniotic fluid volume.
Main Methods:
- A case-control study was conducted involving 151 women with idiopathic polyhydramnios (amniotic fluid index >24 cm) and 302 matched controls with normal amniotic fluid volume (<24 cm).
- Perinatal outcomes assessed included preterm delivery, low birth weight, macrosomia, malpresentation, cesarean delivery rate, Apgar score, neonatal intensive care unit admission, and perinatal death.
- Statistical analysis utilized the chi-squared test for comparisons between groups.
Main Results:
- Pregnancies with idiopathic polyhydramnios did not show increased rates of preterm delivery, low birth weight, low Apgar scores, or neonatal intensive care unit admissions.
- A significant association was found between idiopathic polyhydramnios and higher rates of malpresentation at delivery.
- Idiopathic polyhydramnios was also significantly associated with increased rates of macrosomia and primary cesarean delivery.
Conclusions:
- Idiopathic polyhydramnios is not associated with increased rates of prematurity, low birth weight, or perinatal mortality, unlike polyhydramnios with known causes.
- The study highlights that idiopathic polyhydramnios is primarily associated with increased risks of malpresentation, fetal macrosomia, and cesarean delivery.
- These findings suggest a need to differentiate management strategies based on the etiology of polyhydramnios.