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DOI: 10.1055/s-0036-1586122
Maternal Super Obesity and Neonatal Morbidity after Term Cesarean Delivery
Publication History
10 June 2016
13 June 2016
Publication Date:
27 July 2016 (online)
![](https://www.thieme-connect.de/media/ajp/201612/lookinside/thumbnails/10-1055-s-0036-1586122_160273-1.jpg)
Abstract
Objective To estimate the association between maternal super obesity (body mass index [BMI] ≥ 50 kg/m2) and neonatal morbidity among neonates born via cesarean delivery (CD).
Methods Retrospective cohort of singleton neonates delivered via CD ≥ 37 weeks in the Maternal-Fetal Medicine Unit Cesarean Registry. Maternal BMI at delivery was stratified as 18.5 to 29.9 kg/m2, 30 to 39.9 kg/m2, 40 to 49.9 kg/m2, and ≥ 50 kg/m2. Primary outcomes included acute (5-minute Apgar score < 5, cardiopulmonary resuscitation and ventilator support < 24 hours, neonatal injury, and/or transient tachypnea of the newborn) and severe (grade 3 or 4 intraventricular hemorrhage, necrotizing enterocolitis, seizure, respiratory distress syndrome, hypoxic ischemic encephalopathy, meconium aspiration, ventilator support ≥ 2 days, sepsis and/or neonatal death) neonatal morbidity. Odds of neonatal morbidity were estimated for each BMI category adjusting for clinical and operative characteristics.
Results Of 41,262 maternal–neonatal dyads, 36% of women were nonobese, 49% had BMI of 30 to 39.9 kg/m2, 12% had BMI of 40 to 49.9 kg/m2, and 3% were super obese. Compared with nonobese women, super obese women had twofold odds of acute (5 vs. 10%; adjusted odds ratio [aOR]: 1.81, 95% confidence interval [CI]: 1.59–2.73) and severe (3 vs. 6%; aOR: 2.08; 95% CI: 1.59–2.73) neonatal morbidity.
Conclusion Among term infants delivered via CD, maternal super obesity is associated with increased risk of neonatal morbidity.
Note
This paper was presented at the 2016 Society for Maternal-Fetal Medicine's Annual Meeting in Atlanta, GA, as two poster presentations (final abstract IDs: 221 and 650).
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