you are on metformin
for the treatment PCOD
, and had unprotected sexual intercourse..
now you have delayed periods, nausea
, vomitting, mastalgia, these symptoms could be pregnancy/PMS..
the pregnancy should be confirmed by urine pregnancy test with early morning urine sample and serum HCG
levels.. in case it is positive, see your obstetrician..
qall the very best..