Help!!! ASAP

Ni

Ok i have PCOS and my period has been irregular all the time but since last year it has become more regular than usual each 32 to 33 days my period comes but for about 3 months it has been really spotting or lightly bleeding throughtout 2 weeks of the month sometimes more it gets worse when i have intercourse with my husband i bleed everytime i went to my gyne and he prescribed me birthcontrol pills it been a 2 weeks now and im still spotting he told me to start right away dince i was bleeding 2 weeks ago that it should regulate it .. but i dont know what it could be .... does anyone have an idea???