Influence of Time Interval from Bariatric Surgery to Conception on Pregnancy and Perinatal Outcomes
Abstract
Introduction Pregnancy in women submitted to bariatric surgery is increasing. Recommendations for surveillance of these pregnancies have been suggested, but an adequate time interval from surgery to conception, to avoid perinatal negative outcomes, is still controversial.Material and methods Medical records of pregnancies in women with previous bariatric surgery were retrieved and outcomes were assessed according to three different time thresholds (12, 18 and 24 months). The association between time from surgery to conception and the presence of adverse outcomes was analysed.Results Eighty-six pregnancies were assessed. Weight gain was higher (p = 0.014) and more adequate (p = 0.041) when pregnancy occurred more than 12 months after surgery. Foetal growth percentile was lower when pregnancy was achieved before 24 months following surgery (p = 0.021). No differences among groups were found in other assessed outcomes (BMI, gestational age at delivery, type of delivery, gestational diabetes, pregnancy hypertensive disease, anaemia, preterm delivery, foetal weight, foetal growth restriction, Apgar score, admission to neonatal intensive unit) in all considered thresholds. No association between time from surgery to conception and the presence of adverse outcomes was found.Conclusion Despite differences found in maternal weight gain and foetal growth percentile, our study does not support the recommendation to delay pregnancy based on a fixed deadline. Other factors, including a more individualised approach, need to be considered.
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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).”
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- Authors
- Rasteiro, C., Araújo, C., Cunha, S., Caldas, R., Mesquita, J., Seixas, A., Augusto, N., & Ramalho, C.
- Affiliations
- University of Beira Interior (PT)
- Unidade Local de Saúde de Entre Douro e Vouga (PT)
- Fernando Pessoa University (PT)
- Iscte – Instituto Universitário de Lisboa (PT)
- Universidade do Porto (PT)
- Corresponding author
- Rasteiro, Cátia
- ORCID
- Venue
- Obesity Surgery
- Published
- 2018-07-19
- Volume
- 28
- Issue
- 11
- Pages
- 3559-3566
- ISSN
- 0960-8923 (ISSN-L)
- 1708-0428
- OpenAlex
- W2884788270
- Cited by
- 31
- References
- 32
- Citations by year
- 2025: 3 · 2023: 5 · 2022: 7 · 2021: 4 · 2020: 2 · 2019: 9 · 2018: 1
- FWCI
- 4.16
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Obesity Surgery (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 › Surgery › Body Contouring and Surgery
- Keywords
- bariatric surgery, pregnancy after bariatric surgery
- MeSH terms
- Female, Gestational Age, Humans, Infant, Newborn, Obesity, Morbid, Pregnancy, Pregnancy Outcome, Time Factors, Weight Gain, Bariatric Surgery
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