I am 28 yrs old female..since 6 mnths I was experiencing irregular periods so I got myself checked my usg normal my prolactin came 70 so my doc started me on cabergolin and tab yamini..she told me to wait for period after completin yamin 21 tab but on last day in yamini I started thick dark brown spotting and it's been two days since I completed my yamini didn't get my flow it's just minute spotting happening sometimes which is now light brown what is this m concerned what should I do plz help