RESULTS	Follicular rupture failed to occur within the 5-day period that followed treatment in 50 and 70 % of cycles treated with LNG + Placebo and LNG + Melox , respectively , in the 15-17 mm group ( P = 0.15 ) and in 16 and 39 % of cycles treated with LNG + Placebo and LNG + Melox , respectively , in the > or = 18 mm group ( P < 0.052 ) .\