a good sign? it's been a year and 3 months ttc.. losing hope

Mariah
- please comment your experiences or any suggestions. 
 
My expected af was supposed to start May 20th but I had light spotting on May 15th followed by no bleeding just af symptoms and then just a tad bit of spotting on May 20th .. it felt like af. I took clomid 50 mg May 24th-28th since then I have had no symptoms nothing what so ever. I did feel ovulation and since the beginning of June I have increase cm it is white and wet. To this day. And as of yesterday I have horrible back cramps. And just twinges here and there in the lower abdomen.. could this be a good sign? I surprisingly have no breast pain and by now normally they're super sore.. oh I just hope this is my month in my heart I feel like I am prego. I took a test today but nothing.. I thought it would be a positive.. ladies please help??