Hi, I am 31 year old, trying to concieve. My last period date ws 20 jan. As per online ovoulation calcy 1-5 Feb wer fertile days for me, so we proceeded. Now past 3 days I ws having this discharge dark colour, today its not ther bt I am having a stomach ache(specially wen I am bending while working)...I tested (strip), result is negative...so hav I concieved or not, if not than whats happening...