Pregnancy after bariatric surgery: the effect of time-to-conception on pregnancy outcomes
Abstract
Background At our medical center, female patients who have undergone bariatric surgery are advised to defer pregnancy for 2 years after surgery to avoid the following complications and their potential consequences for the fetus: inadequate gestational weight gain, inadequate postsurgical weight loss, hyperemesis gravidarum, nutritional deficiencies, gestational diabetes, and gestational hypertension.Objectives To examine the effect of time from surgery to conception on pregnancy course and outcomes in bariatric patients.Setting University.Methods We identified 73 pregnancies in 54 women who became pregnant after undergoing bariatric surgery. Surgery to conception interval was compared between pregnancies that were carried to delivery and 8 pregnancies that resulted in spontaneous abortion. Of 41 pregnancies that were carried to delivery, 26 occurred in women who had undergone surgery less than 2 years before conception, and 15 occurred in women who had undergone surgery greater than 2 years before conception. Gestational age at delivery, number of neonatal intensive care unit admissions, gestational weight gain, hyperemesis gravidarum, nutritional deficiencies, gestational diabetes, and gestational hypertension during pregnancy were compared for the 2 groups.Results Eight patients who had spontaneous abortion had a significantly shorter time from surgery to conception. There were no significant differences between our 2 groups in rates of preterm deliveries, neonatal intensive care unit admission, gestational weight gain, hyperemesis, nutritional deficiencies, gestational diabetes, or gestational hypertension.Conclusions Becoming pregnant within the first 2 years after bariatric surgery appears to have no effect on pregnancy course and outcomes. Women who miscarried had a significantly lower mean surgery to conception interval. These results fail to show an increased rate of pregnancy complications during the first 2 years after bariatric surgery.
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Delaying pregnancy after bariatric surgery was associated with a trend towards lower odds for admission in the neonatal intensive care unit (OR 0.73, 95% CI 0.45 to 1.18).
“Delaying pregnancy was associated with a trend towards lower odds for admission in the neonatal intensive care unit (OR 0.73, 95% 0.45 to 1.18).”
From Clinical practice guidelines of the European Association for Endoscopic Surgery (EAES) on bariatric surgery: update 2020 endorsed by IFSO-EC, EASO and ESPCOP (2020) · cites this paper as [138]
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- Authors
- Yau, P. O., Parikh, M., Saunders, J. K., Chui, P., Zablocki, T., & Welcome, A. U.
- Affiliations
- NYU Langone Health (US)
- Corresponding author
- Yau, Patricia O.
- Venue
- Surgery for Obesity and Related Diseases
- Publisher
- Elsevier BV
- Published
- 2017-11
- Volume
- 13
- Issue
- 11
- Pages
- 1899-1905
- ISSN
- 1550-7289 (ISSN-L)
- OpenAlex
- W2736328318
- Cited by
- 55
- References
- 38
- Citations by year
- 2026: 2 · 2025: 4 · 2024: 2 · 2023: 4 · 2022: 3 · 2021: 6 · 2020: 13 · 2019: 13 · 2018: 8
- FWCI
- 9.55
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Surgery for Obesity and Related Diseases (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Surgery › Bariatric Surgery and Outcomes
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Pregnancy and Medication Impact
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Reproductive Health and Contraception
- Keywords
- bariatric surgery, pregnancy after bariatric surgery
- MeSH terms
- Adult, Female, Fertility, Fertilization, Follow-Up Studies, Humans, Infant, Newborn, Obesity, Morbid, Pregnancy, Pregnancy Outcome, Bariatric Surgery, Time-to-Pregnancy
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