Omg i need help... having brown disharge then orange discharge please help no negativity please?

hi ladies first off i was on the depo shot in march 9th-may 24th and while i was on the shot i was taking metformine which helps ladies ovulate tht suffer from pcos so with tht being said being on metformin while on the shot i had cycles adn they were regular always on time... i didnt get the 2nd second becuase me and ma hubby was ttc umm the matter at hand is tht 5 days ago i started wit a brown disharge only in the daytime at nite it stopped up until yesterday it turned light pink spottin and still it was in the day time only and not at nite now today i started wit a light pinkish orange disharge spottin and still only in the daytime and not at night during all five days i havent had the need to wear panitliners or pads becuase i only see it when i wipe in the daytime.... since me and ma hubby were trying to to concieve we werent using protection i jus want ur insights ladies on wht this could be and please no negatitvity again thanks guys