i have been on metforming now for 3months i take 3 500mg tablets a day along with folic acid. my periods coem in jan and feb but i am still waiting for mine to come this month i am a week late now i have done a pregnancy test and has coe back negative but me and my husband are tryign for a baby. i feel really sick in the mornings it will tho go for a few hours in the afternoon and will come back from about 6=7pm thats all i want to do is sleep i don't want to eat as i am feeling so sick i have like an itching feeling on my nipples been moody and emotional and i have had like a mild period pain/ cramping kind of feeling with a clear dischanrge. i have asked my doctors time and time again what it could be and they just keep telling me its side effects to the tablets. i hope you can help me