Do I have a yeast infection?

im 13 too when i had one a told my mom if she could make me a doctors appt and she asked for what i just said i had a ras but she said where and i said its just a rash. i might have no other sibblings but if i were you i would mabey send her an email or wright her a note and put it where she would find it and no one else would ever find it.