I have not even go through my periods on previous month (march) and I have sex with my boyfriend on march 13 and my last period were on feb 19 to 23 and I have average cycle of 32 and also I have pcod so, I just consult my doctor he prescribed me regestrone tablet and even after I stopped my tablet with in 3 days a coffee brown discharge have been arrived what does that mean is that spotting I have been taken laboratory pregnancy test on march 30 and its been negative urine test day before the vaginal discharge that also shows negative result. Then what does that brown discharge means.