Hello Dr, I am 27 years old,trying to conceive past 7 months,I am having irregular periods and I am taking metformin 1g for past 2 months, last two cycle was normal .on 8th aug i taken beta hcg it was 3.54mlU/ml.. , it was negative.....on 11th aug i got periods...2 days brown discharge, severe cramps and nausea ...3rd day light period and blood clot....Is there is any possible for pregnancy??/can i continue the drug??