Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Forest plots of the relationship between TCF7L2 rs11196218 polymorphism and risk of gestational diabetes mellitus (GDM) across different populations. Black diamonds denote the pooled odds ratio. Blue squares indicate the odds ratio in each study, with square sizes inversely proportional to the standard error of the odds ratio. Horizontal lines represent 95% confidence intervals (CI).
