From: Nomegestrol acetate versus combined oral contraceptive as rapid endometrial preparation for operative hysteroscopy: a prospective randomised pilot study
Visibility score
Group A (n = 21), NOMAC
Group B (n = 21), EE/GSD
P value
Bad visibility
3 (14Â %)
0 (0Â %)
0.06
Moderate visibility
6 (28Â %)
0.08
Good visibility
12 (58Â %)
18 (86Â %)
0.002