Hi,m On Metfformin And Hyponidd Since The 3rd Day Of

Hi,m on metfformin and hyponidd since the 3rd day of my last period.m married and on ttc.i was diagnosed with pcos and my dr put e on metfformin and hyponidd.I have 4 days my periods late.had hpt twice both came back negative.i dont know what it z.m tired,hv backache ,nausea,bloating and cramping.today i hv pain in my legs also/am i pregnant ???