I been diagnosed with pcos ........i been taking metformin for about 3 months now .... i been constantly spotting last month on January 7th i had one day period with a little blood clots than it stopped after an hr or so the next day i began spotting on and off until yesterday once again i got super excited thinking i got Af and that metformin was working but i woke up this morning and i was no longer bleeding I'm spotting once again but only enough to see when I wiped. Has anyone else experience this.? My breast ware super tender last week especially a day b4 i got my one day Af i also been feeling lightheaded and get episodes where i feel that the room is spinning . I did test with a dollar pregnancy test on Saturday night and of course a bgN