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The influence of gestational weight gain after bariatric procedures on selected pregnancy outcomes: a single center

Maciej Walędziak1, Joanna Kacperczyk-Bartnik2, Paweł Bartnik2

  • 1Department of General, Oncological, Metabolic and Thoracic Surgery, Military Institute of Medicine, Szaserów 128 St., Warsaw, Poland. maciej.waledziak@gmail.com.

Scientific Reports
|October 27, 2021
PubMed

Insights

Gestational weight gain percentage predicts large for gestational age infants and NICU admissions in bariatric surgery patients. Pre-pregnancy anemia is linked to higher gestational weight gain.

Area of Science:

  • Obstetrics and Gynecology
  • Bariatric Surgery Outcomes
  • Maternal-Fetal Medicine

Background:

  • Pregnancy post-bariatric surgery carries risks like small for gestational age infants and maternal anemia.
  • Understanding factors influencing pregnancy outcomes in this population is crucial.

Purpose of the Study:

  • To investigate the relationship between gestational weight gain (GWG%), maternal anemia, and infant outcomes in patients with a history of bariatric surgery.
  • To identify predictors of adverse neonatal outcomes such as large for gestational age (LGA) infants and neonatal intensive care unit (NICU) admission.

Main Methods:

  • Retrospective analysis of 71 patients with a history of bariatric surgery and at least one delivery post-surgery.
  • Key endpoints included GWG as a percentage of pre-pregnancy weight (GWG%), maternal anemia, SGA, LGA, and NICU admission.

Main Results:

  • Higher GWG% was observed in LGA infants (23.8%) compared to normal weight neonates (13.9%).
  • Patients with pre-pregnancy anemia exhibited higher GWG% (20.1%) than those without (13.4%).
  • GWG% was significantly higher in patients whose infants required NICU admission (25.3%) versus those who did not (14.1%).

Conclusions:

  • Gestational weight gain percentage (GWG%) is a potential risk predictor for LGA infants and NICU admissions in bariatric surgery patients.
  • Pre-pregnancy anemia is associated with increased GWG% in this cohort.

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