Comparison 14. Triphasic NGM 180‐215‐250 μg and EE 35 μg versus monophasic NETA 1000 μg and EE 20 μg.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Pregnancy per woman within 6 cycles	1	373	Odds Ratio (M‐H, Random, 95% CI)	0.99 [0.14, 7.14]
2 Proportion of women with spotting or breakthrough bleeding at cycle 6	1	231	Odds Ratio (M‐H, Random, 95% CI)	0.26 [0.14, 0.51]
3 Proportion of women with amenorrhea at cycle 6	1	231	Odds Ratio (M‐H, Random, 95% CI)	0.17 [0.06, 0.45]
4 Total discontinuation within 6 cycles	1	373	Odds Ratio (M‐H, Random, 95% CI)	1.04 [0.68, 1.58]
5 Discontinuation due to adverse events within 6 cycles	1	373	Odds Ratio (M‐H, Random, 95% CI)	0.99 [0.50, 1.98]