Still no answers

Still nothing.  Woke up this morning and took my temp again - 98.9!  I have a freaking fever!  Took another text - BFN.  What is going on??  I am 19 days past my HCG trigger shot.  Could this be a chemical pregnancy?  How is it that my body can't ovulate on it's own and then when I chemically force it to ovulate, it still doesn't function properly.  Come on body!  Work with me!