hi,doctor...my age is 22,and weight is 54 kgs,my doctor prescribed me Regestrone tablets ,3 tablets per day for 21 days, for my irregular periods.i took it for 13 days.but i missed 3-4 doses of tablets,,,,n now i have got my periods before completion of the course of tablets,,,,so what should i do now?,,,,,,should i take it during the periods also to complete 21 days course or stop taking regestrone tablets till the periods stop ?plz plz guide me about this......