Comparison 12. Standard desogestrel and EE regimen versus prolonged gestodene and EE regimen.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Gained >2 kg (cycle 7)	1	890	Peto Odds Ratio (Peto, Fixed, 95% CI)	1.20 [0.86, 1.68]