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.
Associations between duration of combination ART before delivery with SGA and preterm birth (RRs and 95% CIs). All models adjusted for: number of antenatal care visits, age, BMI, CD4 count, education, hemoglobin, intermittent presumptive therapy, parity, syphilis screening/treatment, tuberculosis status and prior preterm birth. All models are estimated using Poisson regression with robust variance estimators.
