How Long Should It Take To Get My Period After Taking Modus 10 For Five Days?

hi expectd period on 15 july and i went nea doc on 27 july fo consulting on missed epriods m sure m not pregnant coz i hav pcos .so doc gave me modus 10 and did ultra sound scanning on 28 july in scanning it showed right overy has cystic and left overy has polysistic and blood test showed progesterone is v high .. i continues modus 10 for 5 days .3 tablet in a day .. but nuw 2 days i stoppd modus 10 .still dint get periods .. how long it wil take