Ok this never happend in a long time

OK my obgyn prescribed me povera for 10 days then I should start my period then stop taking them cause I got very irregular periods and my doctor also prescribed me prenatal pluse vitamins cause next month he starting me on clomid. BUT today I have this white discharge am I ovulating yet I havent even started my period yet I got 6more pills of povera to go then I start but why do I got a lot of white discharge