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Is Obesity a Risk Factor for Disorders of Amniotic Fluid?
Xiteng Yan1, Beth Bentley1, Jordana Schmidt-Swartz1
1Icahn School of Medicine at Mount Sinai South Nassau, Oceanside, New York, USA.
Summary
Maternal obesity does not appear to increase the risk of amniotic fluid disorders like oligohydramnios or polyhydramnios. This study found no significant association between high body mass index (BMI) and these pregnancy complications.
Area of Science:
- Obstetrics and Gynecology
- Maternal-Fetal Medicine
- Reproductive Health
Background:
- Conflicting evidence exists regarding obesity's role in amniotic fluid disorders.
- Previous studies lack conclusive data on whether obesity, independent of other conditions, impacts amniotic fluid volume.
Purpose of the Study:
- To investigate the association between maternal obesity in late pregnancy and the occurrence of oligohydramnios and polyhydramnios.
- To clarify the relationship between body mass index (BMI) and abnormal amniotic fluid levels.
Main Methods:
- Retrospective cohort study of 961 women with singleton gestations.
- Ultrasound data (amniotic fluid index [AFI] or maximum vertical pocket [MVP]) collected at ≥36 weeks gestation.
- Patients categorized by BMI into normal, overweight, and obesity classes (I, II, III).
Main Results:
- No significant association was found between increasing BMI and oligohydramnios (P=.21).
- No significant association was found between increasing BMI and polyhydramnios (P=.66).
- Prevalence of oligohydramnios was 6.2% and polyhydramnios was 5.6%.
Conclusions:
- Elevated maternal BMI is not significantly linked to amniotic fluid disorders.
- Obesity severity did not correlate with an increased risk of oligohydramnios or polyhydramnios in this cohort.
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