Extremely early pregnancy (<6 mo) after sleeve gastrectomy: maternal and perinatal outcomes

Amihai Rottenstreich*, Gabriel Levin, Tair Ben Porat, Misgav Rottenstreich, Raanan Meyer, Ram Elazary

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Data are scarce regarding outcomes of pregnancies occurring very early after bariatric surgery. Objectives: We compared outcomes of pregnancies occurring extremely early (surgery-to-conception interval <6 mos) after laparoscopic sleeve gastrectomy (LSG) with those occurring later (≥6 mos postsurgery). Setting: A university hospital. Methods: We reviewed the records of all women who underwent LSG and delivered during 2006–2019. Results: Of 196 women, 23 (11.7%) became pregnant within 6 months of surgery. For these women, the median surgery-to-conception interval was 116 [interquartile range 76–161] days, compared with 903 [465–1377] days for the remaining cohort. Three (13.0%) women turned out postoperatively to be pregnant at the time of LSG. Compared with women who conceived later, the extremely early pregnancy group had lower gestational weight gain (median 4 versus 10 kg, P <.001), including negative gestational weight gain in 9 (39.1%) women. The proportion of small for gestational age (SGA) infants was higher among women who conceived within 6 months after surgery rather than later (26.1% versus 10.4%, P =.04). Other maternal and perinatal outcomes were similar between the groups. In multivariate analysis, conceiving within 6 months after LSG was the only independent factor associated with delivering a SGA infant (odds ratio [95% confidence interval]: 3.35 (1.12, 10.01), P =.03). Conclusions: Pregnancy occurring in the first 6 months after LSG was independently associated with a higher rate of SGA infants. Delaying conception during the very early postoperative period is recommended. Providing adequate contraception and excluding the presence of early pregnancy at the time of surgery are of utmost importance.

Original languageEnglish
Pages (from-to)356-362
Number of pages7
JournalSurgery for Obesity and Related Diseases
Volume17
Issue number2
DOIs
StatePublished - Feb 2021
Externally publishedYes

Keywords

  • Bariatric surgery
  • Outcomes
  • Pregnancy
  • Sleeve gastrectomy
  • Surgery-to-conception interval

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