Stepped on thermometer with socks and that thing tell you you pregnant is crazy goivhi

Definitely unreliable, I'd tell you that as a student nurse who's been exposed to on job training or what we called "RLE duty" you needed to buy a better thermometers and make sure they are working properly, the traditional non digital thermometer is definitely still more reliable than digital ones

High fever means a lot of things, you could literally be having an imfection disease and like viral disease, even in legal examination, they never considered fever as a hallmark of certain disease cuz it literally could mean a lot of things