What is going on! 2 days late and still no BFP!?

If you do know for sure you ovulated the 15th....then you should be able to detect a pregnancy by now. But I would recommend take an early pregnancy test. I like the First Response Early Reponse Test. I would also recommend you take it with FMU tomorrow. It is is still negative.....then chances are you probably are not pregnant. I took a look at your chart and it does look promising with your temps still up, but with negative pregnancy tests the last 4 days....it is hard to tell. I really hope this is your month, and just try again with an early pregnancy test in the morning with FMU.