Comparison 8. Vaginal ring releasing etonogestrel 120 µg + EE 15 µg versus COC desogestrel 150 µg + EE 20 µg.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Discontinuation ‐ overall (cycle 6)	1	56	Peto Odds Ratio (Peto, Fixed, 95% CI)	0.65 [0.11, 4.01]