Semaglutide

Exposed non-exposed studies (cohort)

Study Country
Study period
Population source Exposure definition Non-exposure definition Sample size Rmk
Kolding (Controls exposed to insulin), 2025 Denmark
2016 - 2023
All singleton pregnancies surviving the first trimester in the Central Denmark Region, which accounts for one fifth of Denmark's population. Pregnancies exposed to semaglutide (ATC A10BJ06) during the first trimester (from the estimated conception date to 70 days after, corresponding to gestational age 12 0/7). exposed to other treatment, sick
Pregnancies exposed to insulin with no simultaneous use of semaglutide.
32 / 547 Exposed group: 27 used Ozempic (22 of these in combination with insulin), and five used Wegovy. Seventeen discontinued semaglutide in the first trimester, and 14 used semaglutide throughout all trimesters.
Kolding (Controls unexposed, general pop), 2025 Denmark
2016 - 2023
All singleton pregnancies surviving the first trimester in the Central Denmark Region, which accounts for one fifth of Denmark's population. Pregnancies exposed to semaglutide (ATC A10BJ06) during the first trimester (from the estimated conception date to 70 days after, corresponding to gestational age 12 0/7). unexposed (general population or NOS)
Pregnancies unexposed to diabetes medications.
32 / 103843 Exposed group: 27 used Ozempic (22 of these in combination with insulin), and five used Wegovy. Seventeen discontinued semaglutide in the first trimester, and 14 used semaglutide throughout all trimesters.
Maya, 2025 USA
2016 - 2025
Singleton pregnancies with delivery dates between June 1, 2016, and March 31, 2025, at Mass General Brigham, an academic health system with 15 institutions serving the greater Boston area in Massachusetts. Singleton pregnancies with Semaglutide order in the electronic health record (EHR) between 3 years before and 90 days after conception. unexposed (general population or NOS)
Singleton pregnancies without Glucagon-like peptide-1 receptor agonist (GLP-1RA) medications recorded between 3 years before pregnancy and 90 days after conception.
247 / 741

Case-control studies (cohort)

Study Country
Study period
Case Control Sample size Rmk

master protocol