Triglyceride-glucose index as predictor of gestational diabetes mellitus in early pregnancy: a prospective cohort study - Summary - MDSpire

Triglyceride-glucose index as predictor of gestational diabetes mellitus in early pregnancy: a prospective cohort study

  • By

  • Ge Huang

  • Meng Su

  • Cheng Li

  • Hongzhuan Tan

  • Jing Deng

  • Mengshi Chen

  • June 29, 2026

  • 0 min

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Objective:

To investigate the association between TyG levels in early and mid-pregnancy, including their dynamic differences, and the risk of developing gestational diabetes mellitus (GDM).

Approach:
  • Study Design: A prospective cohort study was conducted with 870 pregnant women.
  • Data Analysis: Univariate Cox regression was used to screen variables, followed by multivariate Cox proportional hazards regression to analyze associations.
Key Findings:
  • 119 out of 870 participants developed GDM, resulting in an incidence rate of 13.68%.
  • Elevated TyG levels in early and mid-pregnancy, along with a greater percentage increase in TyG levels, were identified as independent risk factors for GDM after adjusting for confounding factors.
  • Elevated TyG levels in mid-pregnancy posed the highest risk for developing GDM.
Interpretation:

Elevated TyG indices during early and mid-pregnancy, as well as a progressive increase in TyG levels, are significant indicators for assessing GDM risk.

Limitations:
  • The study may not account for all potential confounding factors influencing GDM risk.
  • Generalizability may be limited to the specific population studied.
Conclusion:

The findings support the use of TyG levels as a reference for evaluating GDM risk.

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