I have been taking metformin for 3 months now and my periods are irregular I have PCOS but they have been regulating within these few months now 9 days after my ovulation date and 5 days before my period Is supposed to begin I am having brownish spotting that lasted only for one day and now it's gone can someone please give me a little insight on what they went through really hoping to be pregnant!! Been trying for 1year and a half my and my bfs have been together for 4 years now.