i have a fungus growing on my skin, that's what my doctor says. it started on my breast then moved down my side to my back and stomach. from there it has spread all over my chest necks and completely covering its original spots. my doctor thinks it is because i work in a job wehre i'm always sweating but i noticed the next evening after i have sex and he "let go" on my upper body. i thought i had wiped all of it off. my question is could the sperm caused my skin fungus to start then could it have spread to other parts of my body. should i tell my doctor about this or is it not even relavant. i just want this to go away because it is extremely embarrassing!!