Metformin 500 mg twice daily

Mikayla • Mon, Sep 19

Has anyone taken 500 mg twice daily of metformin for pcos ? I started it about Two weeks ago, on the 8th and 9th of this month I had spotting once on the 9th in the morning or twice on the 8th at night. I was supposed to start my period today , anyone have this problem or could I be pregnant ?