Impact of Semaglutide Exposure on Neonatal Outcomes in Pregnant Women: A Systematic Review
Abstract
Background: Semaglutide, a glucagon-like peptide-1 receptor agonist, is increasingly used for obesity and type 2 diabetes treatment. As its use rises among women of reproductive age, understanding its impact on neonatal health is essential. Objectives: To assess neonatal outcomes associated with semaglutide exposure during pregnancy or within two months before conception. Search Strategy: PubMed, Embase, and ClinicalTrials.gov were searched for relevant studies. Selection Criteria: Studies reporting neonatal outcomes following semaglutide exposure before or during pregnancy were included, with no language restrictions. Data Collection and Analysis: Two reviewers independently screened and extracted data. Due to study heterogeneity, a narrative synthesis was used, and bias risk and study quality were assessed. Main Results: Five studies involving a total of 1,128 semaglutide exposed pregnancies, showed mixed results. One study reported adverse outcomes including spontaneous abortion and preeclampsia. Another study found spontaneous abortion rate of 23%, comparable to diabetes- and obesity-groups. A third study observed a prevalence of congenital malformations of 8.3%, with no significant risk increase compared to insulin. One study linked semaglutide discontinuation to foetal macrosomia and neonatal hypoglycaemia. Another noted preterm birth and large-for-gestational-age infants, with no increased congenital malformation risk. No clear association with birth defects was identified, however the evidence is limited by study variability and bias risk. Conclusions: The limited number of available studies precludes firm conclusions nevertheless current evidence does not indicate a consistent increased risk of major congenital malformations associated with semaglutide exposure.
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