Ttc red spot 15 cycle day

Aarzoo

Hi can any one tell me that what may be the meaning of brownish red spotting on cycle day 15 also i have pcod and this has never happened to me earlier. I was asked by my doctor to take krimson 35 last month for 21 days but not in this month .

Update: today it is around 20 cycle day and my nipples are leaking transparent fluid out of curiosity i took the test but it came out negative has it happened to someone? Please do share