Obesity Surgery

, Volume 29, Issue 10, pp 3142–3148 | Cite as

Pregnancy After Bariatric Surgery: a Comparative Study of Post-Bariatric Pregnant Women Versus Non-Bariatric Obese Pregnant Women

  • Bruna BalestrinEmail author
  • Almir Antônio Urbanetz
  • Manoela Muller Barbieri
  • Aliane Paes
  • Jessica Fujie
Original Contributions



To evaluate the impact of bariatric surgery on the gestational outcomes.

Materials and Methods

Retrospective study of pregnant women hospitalized for delivery in the maternity in Curitiba, Brazil, who had a body mass index (BMI) greater than or equal to 30 kg/m2 and/or who had undergone bariatric surgery. Interviews were performed, and the patients’ medical records and antenatal information cards were evaluated.


Ninety-three pregnant women who had bariatric surgery and 205 obese pregnant women were selected. A lower occurrence of hypertensive diseases was observed in pregnant women who had undergone bariatric surgery (14%) compared with obese pregnant women (56.6%). Moreover, a reduced occurrence of diabetes was found in post-bariatric pregnant women (16.1%) compared with obese pregnant women (30.2%). There were no differences in the frequency of prematurity, in delivery methods, or in postpartum complications. There was a higher number of cases of babies who were small for gestational age and a lower number of babies who were large for gestational age in the post-bariatric group. When comparing obese pregnant women to post-bariatric pregnant women who had remained obese, a reduced frequency of hypertensive diseases and diabetes was found in the latter group, but the weight difference between their newborns was not statistically significant.


There was a lower occurrence of health-related issues complicating pregnancy among women who had undergone bariatric surgery, but these women’s newborns were more likely to be small for gestational age, a finding which was less significant the less weight the mother had lost.


Pregnancy Bariatric surgery Obesity 



Prenatal team of the maternity hospital of the Hospital de Clínicas do Paraná.

Compliance with Ethical Standards

Conflict of Interest

The authors declare that they have no conflict of interest.

Ethical Approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed Consent

Informed consent was obtained from all individual participants included in the study.


  1. 1.
    Brite J, Laughon SK, Troendle J, et al. Maternal overweight and obesity and risk of congenital heart defects in offspring. Int J Obes. 2014;38(6):878–82.CrossRefGoogle Scholar
  2. 2.
    Arrowsmith S, Wray S, Quenby S. Maternal obesity and labour complications following induction of labour in prolonged pregnancy. BJOG. 2011;118(5):578–88.CrossRefGoogle Scholar
  3. 3.
    MacInnis N, Woolcott CG, McDonald S, et al. Population attributable risk fractions of maternal overweight and obesity for adverse perinatal outcomes. Sci Rep. 2016;6:22895.CrossRefGoogle Scholar
  4. 4.
    Tyrrell J, Richmond RC, Palmer TM, et al. Genetic evidence for causal relationships between maternal obesity-related traits and birth weight. JAMA. 2016;315(11):1129–40.CrossRefGoogle Scholar
  5. 5.
    Catalano PM, Shankar K. Obesity and pregnancy: mechanisms of short term and long term adverse consequences for mother and child. BMJ. 2017;356:j1.CrossRefGoogle Scholar
  6. 6.
    Carreau AM, Nadeau M, Marceau S, et al. Pregnancy after bariatric surgery: balancing risks and benefits. Can J Diabetes. 2017;41(4):432–8.CrossRefGoogle Scholar
  7. 7.
    Yi XY, Li QF, Zhang J, et al. A meta-analysis of maternal and fetal outcomes of pregnancy after bariatric surgery. Int J Gynaecol Obstet. 2015;130(1):3–9.CrossRefGoogle Scholar
  8. 8.
    Galazis N, Docheva N, Simillis C, et al. Maternal and neonatal outcomes in women undergoing bariatric surgery: a systematic review and meta-analysis. Eur J Obstet Gynecol Reprod Biol. 2014;181:45–53.CrossRefGoogle Scholar
  9. 9.
    Abenhaim HA, Alrowaily N, Czuzoj-Shulman N, et al. Pregnancy outcomes in women with bariatric surgery as compared with morbidly obese women. J Matern Fetal Neonatal Med. 2016;29(22):3596–601.CrossRefGoogle Scholar
  10. 10.
    Gascoin G, Gerard M, Sallé A, et al. Risk of low birth weight and micronutrient deficiencies in neonates from mothers after gastric bypass: a case control study. Surg Obes Relat Dis. 2017;13(8):1384–91.CrossRefGoogle Scholar
  11. 11.
    Maggard MA, Yermilov I, Li Z, et al. Pregnancy and fertility following bariatric surgery: a systematic review. JAMA. 2008;300(19):2286–96.CrossRefGoogle Scholar
  12. 12.
    Vrebosch L, Bel S, Vansant G, et al. Maternal and neonatal outcome after laparoscopic adjustable gastric banding: a systematic review. Obes Surg. 2012;22:1568–79.CrossRefGoogle Scholar
  13. 13.
    Shankar P, Boylan M, Sriram K. Micronutrient deficiencies after bariatric surgery. Nutrition. 2010;26:1031–7.CrossRefGoogle Scholar
  14. 14.
    Basbug A, Kaya AE, Dogan S, et al. Does pregnancy interval after laparoscopic sleeve gastrectomy affect maternal and perinatal outcomes? J Matern Fetal Neonatal Med. 2018:1–7.Google Scholar
  15. 15.
    Yau PO, Parikh M, Saunders JK, et al. Pregnancy after bariatric surgery: the effect of time-to-conception on pregnancy outcomes. Surg Obes Relat Dis. 2017;13:1899–905.CrossRefGoogle Scholar
  16. 16.
    Ministry of Health of Brazil. High risk pregnancy: technical manual. 2012. Available at: Accessed on: April, 2018.
  17. 17.
    Aricha-Tamir B, Weintraub AY, Levi I, et al. Downsizing pregnancy complications: a study of paired pregnancy outcomes before and after bariatric surgery. Surg Obes Relat Dis. 2012;8(4):434–9.CrossRefGoogle Scholar
  18. 18.
    Belogolovkin V, Salihu HM, Weldeselasse H, et al. Impact of prior bariatric surgery on maternal and fetal outcomes among obese and non-obese mothers. Arch Gynecol Obstet. 2012;285(5):1211–8.CrossRefGoogle Scholar
  19. 19.
    Ministry of Health of Brazil. Guidelines for Care of the Pregnant Woman: caesarean section. 2016. Available at: Access in April 2018.
  20. 20.
    mm K, Lauenborg J, Breum BM, et al. The risk of adverse pregnancy outcome after bariatric surgery: a nationwide register-based matched cohort study. Am J Obstet Gynecol. 2013;208(6):464.e1–5.CrossRefGoogle Scholar
  21. 21.
    Lesko J, Peaceman A. Pregnancy outcomes in women after bariatric surgery compared with obese and morbidly obese controls. Obstet Gynecol. 2012;119(3):547–54.CrossRefGoogle Scholar
  22. 22.
    Johansson K, Cnattingius S, Näslund I, et al. Outcomes of pregnancy after bariatric surgery. N Engl J Med. 2015;372(9):814–24.CrossRefGoogle Scholar
  23. 23.
    Roos N, Neovius M, Cnattingius S, et al. Perinatal outcomes after bariatric surgery: nationwide population based matched cohort study. BMJ. 2013;347:f6460.CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Master in Tocoginecology, Departamento De TocoginecologiaFederal University of ParanáCuritibaBrazil
  2. 2.Department of Tocoginecology of the Health Science SectorFederal University of ParanáCuritibaBrazil
  3. 3.Academic of MedicineFederal University of ParanáCuritibaBrazil
  4. 4.Federal University of ParanáCuritibaBrazil

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