Should I Take Femilion For Heavy Bleeding During Period Due To PCOS?

hi doctor.. am 28 year old unmarried female..dctr gave me femilon coz i have heavy bleeding in my periods..i have pcod..but after taking the tablet for 3 days i had to stop it coz of unbearable headache while taking it..then i got my periods again within a week. now i have been given primolut N , but bleeding is not stopped