Hi, I Have Been Trying To Conceive For 5 Years

Hi,
i have been trying to conceive for 5 years now, am 26.. n was told i have pcos,
my gyno perfomed laparoscopy cystectomy of ovarian drilling in the begining of this year, and then was told to use metformin for 3 month, bt on the 2nd month i started missing my periods, and had pain in my breast but whenever i take pregnancy test its negative, i consulted my doctor and he told me to take metformin 1000mg, duphastone & folic Acid, have been taking it for a week now, n yesterday i saw a few drops of blood from my vagina, but today nothing until now, what does it mean? its really frustrating.. please help, will i ever be able to conceive?