i m 23 yrs old.from last 2 month my period is extended upto 10 days.last month some brownish discharge was relishing till 24 day.this month also i m experiencing same.There is change in bleeding,after 4 days its watery blood(and negligible tissue).i have consult doctor,he gave me CVP and texakind MF for 3 days.after 3 days discharge again started so he gave me 10 days course (of some other medicine)..pain has also increased a lot.Can u let me know the reason of these irregular periods