disappearing positive .. what's going on

Jacqueline

went to the doc had a preg test done.. showed a positive second line but then began to fade...

little I sight..

I had spotting im sure round 12-14 days after ov for a whole day on and off.. next 2 day little bit of bleeding but way lighter than the norm and stop start.. on. the third day little bit of spotting in the morning then nothing.. this was 8 days ago from today's doc preg test.. any idea what's going on