Comparison 13. Triphasic GTD 50‐70‐100 μg and EE 30‐40‐30 μg versus monophasic GTD 75 μg and EE 30 μg.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Pregnancy per woman within 13 cycles	1	1614	Odds Ratio (M‐H, Random, 95% CI)	0.66 [0.11, 3.99]
2 Total discontinuation within 13 cycles	1	1614	Odds Ratio (M‐H, Random, 95% CI)	0.93 [0.75, 1.16]
3 Discontinuation due to medical reasons within 13 cycles	1	1614	Odds Ratio (M‐H, Random, 95% CI)	1.11 [0.77, 1.60]