10.5. Analysis.
Comparison 10 Vaginal ring releasing etonogestrel 120 µg + EE 15 µg versus COC norgestimate 180/215/250 µg + EE 25 µg, Outcome 5 Irregular bleeding (bleeding‐free interval > 17 days).
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.