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Pregnancy Following Gastric Bypass Surgery for Morbid Obesity: Maternal and Neonatal Outcomes

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Abstract

Background

The purpose of this study was to compare obstetric and neonatal outcomes after Roux-en-Y gastric bypass (RYGB) to those in women without such surgery.

Methods

Women with RYGB (cases) were matched for maternal age and prior cesarean to the next two consecutive women delivering without prior bariatric surgery (controls). Pregnancy and newborn outcomes were compared by univariate analysis. Outcomes approaching or reaching statistical significance were evaluated by conditional logistic regression controlling for maternal body mass index (BMI).

Results

Despite gastric bypass, the 38 cases were heavier (BMI 33.4 ± 7.3 vs. 28.1 ± 6.7 kg/m2, p < 0.001) and more often obese (BMI ≥ 30 kg/m2, 26/38 (68.4%) vs. 20/76 (26.3%), p < 0.001) than controls. Variables evaluated by logistic regression adjusted for BMI did not differ in cases versus controls, including hypertension (odds ratio [OR] 2.62, 95% confidence interval [CI] 0.66–10.50), preterm premature rupture of membranes (OR 0.24, 95% CI 0.02–3.38), oligohydramnios (OR 2.39, 95% CI 0.66–8.61), and delivery ≥41 weeks (OR 0.57, 95% CI 0.11–2.97).

Discussion

Obstetric and neonatal outcomes after RYGB are similar to those of our general obstetric population.

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Acknowledgment

The authors thank F. Lee Lucas, Ph.D. for performing the statistical analysis.

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Authors and Affiliations

  1. Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Maine Medical Center, Portland, ME, USA

    Joseph R. Wax, Angelina Cartin, Michael G. Pinette & Jacquelyn Blackstone

  2. Maine Bariatric Surgical Program, Department of Surgery, Maine Medical Center, Portland, ME, USA

    Renee Wolff & Sharon Lepich

  3. MMC Ob/Gyn Associates, 887 Congress Street, Suite 200, Portland, ME, 04102, USA

    Joseph R. Wax

Authors
  1. Joseph R. Wax
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  2. Angelina Cartin
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  3. Renee Wolff
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  4. Sharon Lepich
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  5. Michael G. Pinette
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  6. Jacquelyn Blackstone
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Correspondence to Joseph R. Wax.

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Wax, J.R., Cartin, A., Wolff, R. et al. Pregnancy Following Gastric Bypass Surgery for Morbid Obesity: Maternal and Neonatal Outcomes. OBES SURG 18, 540–544 (2008). https://doi.org/10.1007/s11695-008-9459-1

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  • DOI: https://doi.org/10.1007/s11695-008-9459-1

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