Does Deviry Help In Postponing The Periods?

Hi,I am Jyoti Awasthi,i forgot my LMP,it might be on 2nd or 6thmay but i am not very sure about my date.Every month my menses occurs 4 or 5days before my expected date,it's regular.I have to attain a puja on 1st june.this puja is important for me,for that i want to postponed my period...what can i do????Shall i take deviry 10mg tab twice a day from today onwards till 1st june.