There can be no way .....

Maybe it's nerves or something I ate.  My last cycle was 39 days. AF came 4/19-4/23 and we were bding 4/25 & 4/26.  I feel super sick all of a sudden.  There's no way. It's in my head.  I have a dollar store test at home.... Should I take it or save it? Ugh!!