High Basal Temp/Day 30 and Negative Test

Renata

I’m going crazy!!! I get my period every month and have a 28 day cycle. My husband and I have been trying to conceive for 8 months now with no success. I have taken multiple tests which have all been negative. I feel crappy but it doesn’t feel like menstral cramps...my basal body temperature is still high at 36.67 has this happened to anyone???