Table 1. Selected studies linking GDM with offspring body composition and cardiometabolic health.
| Study | Design | Cohort | Sample size | GDM criteria | Offspring age (years) | Major outcomes for GDM-exposed offspring |
|---|---|---|---|---|---|---|
| Body composition | ||||||
| Chen et al. (2020) [11] China | Cohort | Medical Birth Registry of Xiamen, China; a population-based retrospective cohort | 33,157 | International Association of Diabetes and Pregnancy Study Groups (IADPSG) | Range: 1–6 | GDM and large-for-gestational age not associated with overweight (OR: 1.27, 95% CI; 0.96-1.68), adjusted for maternal pre-pregnancy BMI |
| Kawasaki et al. (2018) [12] Japan | Meta-analysis | Included two cohort studies adjusting for maternal BMI; UK, USA | 5,941 | Carpenter-Coustan, questionnaire | Range: 3–15.5 | Not associated with BMI z-scores (pooled MD: -0.11, 95% CI: -0.33–0.12), adjusted for covariates including maternal pre-pregnancy BMI |
| Lowe et al. (2018) [10] USA | Cohort | Hyperglycemia and Adverse Pregnancy Outcome (HAPO) Study | 4,832 | International Association of Diabetes and Pregnancy Study Groups (IADPSG) | Mean (SD): 11.4 (1.2) | Not associated with overweight/obesity (OR: 1.21, 95% CI: 1.00-1.46), adjusted for maternal BMI at OGTT during pregnancy |
| Glucose metabolism | ||||||
| Blotsky et al. (2019) [20] Canada | Matched cohort | A combination of health administrative data with birth registry information from Quebec, Canada | 36,590 mother-child pairs with GDM and matched 1:1 with controls | Two abnormal values on a 75-g OGTT or a 50-g glucose screen ≥10.3 mmol/l | From birth to 22 | Associated with incident diabetes (HR: 1.77, 95% CI: 1.41–2.22), not adjusted for maternal BMI |
| Kawasaki et al. (2018) [12] Japan | Meta-analysis | Included four cohort studies adjusting for maternal BMI; Denmark, Hong Kong SAR, USA | 890 | Self-report, questionnaire, WHO criteria 1999, OGTT | Range: 7–20 | Associated with 2-h plasma glucose (pooled MD: 0.43 mmol/L, 95% CI: 0.18–0.69), adjusted for maternal pre-pregnancy BMI |
| Lowe Jr et al. (2019) [21] USA | Cohort | HAPO Follow-up Study (FUS) | 4,160 | International Association of Diabetes and Pregnancy Study Groups (IADPSG) | Mean (SD): 11.4 (1.2) Range: 10-14 |
|
| Pathirana et al. (2020) [19] Australia | Meta-analysis | Included 11 cohort studies; China, Denmark, Greece, USA | 6,423 | NDDG, self-reported/confirmed with hospital records, Carpenter-Coustan, WHO criteria 1999, IADPSG, based on GDM risk factors followed by OGTT | Range: 7–27 | Associated with fasting glucose (standardized MD: 0.43, 95% CI 0.08–0.77), not adjusted for maternal BMI |
| Cardiovascular outcomes | ||||||
| Øyen et al. (2016) [23] Denmark | Cohort | Data linkage of Denmark’s nationwide registers | 2,025,727 | Medical record | From birth to 34 |
|
| Yu et al. (2019) [22] Denmark | Cohort | Danish national health registries | 26,272 | Medical record | From birth to 40 | Associated with overall CVD (HR: 1.19, 95% CI 1.07–1.32), hypertensive disease (HR 1.77, 1.27–2.48), adjusted for sociodemographic status and maternal/paternal history of cardiovascular disease |
CI, confidence interval; CVD, cardiovascular disease; GDM, gestational diabetes mellitus; HR, hazard ratio; md, mean difference; IFG, impaired fasting glucose; IGT, impaired glucose tolerance; NDDG, National Diabetes Data Group; OGTT, oral glucose tolerance test; OR, odds ratio; SD, standard deviation, WHO, World Health Organisation