Hi ,I experienced light cramps from 2 3 day but didn t got my periods ,I check the HCG test and it was negative so I started taking deviry as I m suffering from PCOS ,and for taking twice a day for one day and one time the next morning at around 1 I got brown discharge,I thought I got my periods but I didn t bleed,only small amount of brown discharge is taking place ,why is it so