Comparison 52. Vaginal ring etonogestrel 120 µg and EE 15 µg versus drospirenone 3 mg and EE 30 µg.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Mean weight change in kg (cycle 13 or last assessment)	1	937	Mean Difference (IV, Fixed, 95% CI)	0.4 [0.03, 0.77]