Can Modus Pills Be Taken From 16-25 Day Menses Cycle?

I m a 30 year old girl. i m unmarried.i m suffering from poly cystic ovary syndrome. i consult with a gynologist.he suggest me to take Modus10 tablets from 45 day of my mense.sir i want to know can i take this tablet from 16-25 day of my mense.i m very confused.plz plz suggest me.