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.
(A) Incidences of absence of withdrawal bleeding (%) and (B) duration of withdrawal bleeding (median number of days) for NOMAC/E2 (grey bars) and DRSP/EE (black bars). The incidences were compared statistically between the treatment groups. *p < 0.05 vs. DRSP/EE. NOMAC, nomegestrol acetate; E2, oestradiol; EE, ethinylestradiol; DRSP drospirenone.
