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.
Predicted incidence rates of ART births per 1,000 women with 95% confidence intervals by age and educational groups net of covariates in the full negative binomial regression model.
Tierney. ART use: a population assessment. Fertil Steril 2019.
