Glucagon-like peptide-1 (GLP-1) receptor agonists

Large for gestational age (weight)

R analysis
id Study   Lib. in paper Exposition period    Study type  Control type 
 
Tags OR 95%CI x1/n1 x0/n0 no cases no exposed ROB Ref.
S18794
R79986
Kolding - Semaglutide (Controls exposed to insulin), 2025 Large for gestational age (plus 22% (3 p) of registered livebirths) 1st trimester retrospective cohort exposed to other treatment, sick excluded Adjustment: No GLP1-RA indication: Mixed (Diabetes and/or Overweight) or Unspecified 0.35 [0.12;0.92]
excluded (control group)
6/29   218/514 224 29
ref
S18796
R79993
Kolding - Semaglutide (Controls unexposed, general pop), 2025 Large for gestational age (plus 22% (3 p) of registered livebirths) 1st trimester retrospective cohort unexposed (general population or NOS) Adjustment: No GLP1-RA indication: Mixed (Diabetes and/or Overweight) or Unspecified 5.94 [1.98;15.02] 6/29   4,184/99,522 4,190 29
ref
S18782
R79922
Maya, 2025 Large for gestational age birth weight (>90th percentile for gestational age and sex) 3 months or more before pregnancy or1st trimester excluded retrospective cohort unexposed (general population or NOS) Adjustment: Yes GLP1-RA indication: Mixed (Diabetes and/or Overweight) or Unspecified Matched 1.03 [0.79;1.35]
excluded (exposition period)
71/442   196/1,326 267 442
ref
S18788
R79970
Pondugula, 2025 Large-for-gestational-age birth weight (birth weight at or above the 90th percentile for a given gestational age) early pregnancy retrospective cohort unexposed, sick Adjustment: No GLP1-RA indication: Overweight/Obesity 1.07 [0.50;2.30] C 11/90   23/200 34 90
ref
S18768
R79861
Dao (Controls exposed to metformin/insulin), 2024 Large for gestational age (birth weight exceeding the 90th percentile based on WHO infant sex-specific growth charts) 1st trimester prospective cohort exposed to other treatment, sick excluded Adjustment: No GLP1-RA indication: Mixed (Diabetes and/or Overweight) or Unspecified 0.70 [0.37;1.33] C
excluded (control group)
20/113   29/124 49 113
ref
S18806
R80017
Dao (Controls unexposed, sick), 2024 Large for gestational age (birth weight exceeding the 90th percentile based on WHO infant sex-specific growth charts) 1st trimester prospective cohort unexposed, sick Adjustment: No GLP1-RA indication: Mixed (Diabetes and/or Overweight) or Unspecified 3.38 [1.37;8.34] C 20/113   7/117 27 113
ref
Total 3 studies 2.67 [0.96;7.40] 4,251 232
x1: number of endpoints among exposed, n1: number of exposed; x0: number of endpoints among non exposed, n0: number of non exposed; C: calculated odds ratio from numbers of events and effectives

Forest plot

StudyTE95% CIn casesn exposedweightROBABCDEF Kolding - Semaglutide (Controls unexposed, general pop), 2025Kolding - Semaglutide, 2025 1 5.94[1.98; 15.02]4,1902931%ROB confusion: criticalROB selection: lowROB classification: moderateROB missing: unclearROB mesure: moderateROB reporting: moderate Pondugula, 2025Pondugula, 2025 1.07[0.50; 2.30]349036%ROB confusion: seriousROB selection: unclearROB classification: criticalROB missing: lowROB mesure: moderateROB reporting: moderate Dao (Controls unexposed, sick), 2024Dao, 2024 2 3.38[1.37; 8.34]2711333%ROB confusion: criticalROB selection: moderateROB classification: moderateROB missing: unclearROB mesure: criticalROB reporting: moderate Total (3 studies) I2 = 75% 2.67[0.96; 7.40]4,2512320.520.01.0ROB: A: confounding, B: selection, C: classification, D: missing, E: measurement, F: reportinglow,moderate,serious,critical,unclear,

1: Controls unexposed, general pop; 2: Controls unexposed, sick;

Sensitivity analysis

SubsetTE95% CIn casesn exposedkI2 Type of studies cohort studiescohort studies 2.67[0.96; 7.40]4,25123275%NAKolding - Semaglutide (Controls unexposed, general pop), 2025 Pondugula, 2025 Dao (Controls unexposed, sick), 2024 3 case control studiescase control studies 0 Type of controls unexposed (disease free or unspecified)unexposed (disease free or unspecified) 5.94[2.16; 16.36]4,19029 -NAKolding - Semaglutide (Controls unexposed, general pop), 2025 1 unexposed, sickunexposed, sick 1.85[0.60; 5.71]6120372%NAPondugula, 2025 Dao (Controls unexposed, sick), 2024 2 Tags Adjustment   - No  - No 2.67[0.96; 7.40]4,25123275%NAKolding - Semaglutide (Controls unexposed, general pop), 2025 Pondugula, 2025 Dao (Controls unexposed, sick), 2024 3 GLP1-RA indication   - Mixed (Diabetes and/or Overweight) ...  - Mixed (Diabetes and/or Overweight) or Unspecified 4.34[2.21; 8.52]4,2171420%NAKolding - Semaglutide (Controls unexposed, general pop), 2025 Dao (Controls unexposed, sick), 2024 2   - Overweight/Obesity  - Overweight/Obesity 1.07[0.50; 2.30]3490 -NAPondugula, 2025 1 All studiesAll studies 2.67[0.96; 7.40]4,25123275%NAKolding - Semaglutide (Controls unexposed, general pop), 2025 Pondugula, 2025 Dao (Controls unexposed, sick), 2024 30.520.01.0

Publication bias and p-hacking diagnosis

funnel plot

Funnel plot not drawn. Less than 3 points.

Asymetry test p-value = NaN (by Egger's regression)

not enought points

p values plot

Funnel plot not drawn. Less than 3 points.

Sub-groups analysis using all included studies

excluded 18768, 18794

Sub-groupsTE95% CIn casesn exposedkI2ROB type of controls unexposed controls (disease free or unspecified)unexposed controls (disease free or unspecified) 5.94[2.16; 16.36]4,19029 -NAKolding - Semaglutide (Controls unexposed, general pop), 2025 1 unexposed, sick controlsunexposed, sick controls 1.85[0.60; 5.71]6120372%NAPondugula, 2025 Dao (Controls unexposed, sick), 2024 2 exposed to other treatment, sick controlsexposed to other treatment, sick controls 0.56[0.29; 1.07]27314223%NAKolding - Semaglutide (Controls exposed to insulin), 2025 Dao (Controls exposed to metformin/insulin), 2024 20.510.01.0