Help!!

I recently got my nipples pierced. well the day before Valentine's Day. My parents do not know about the piecing. I am a person who travels a lot on airplanes with my parents. i usually get TSA pre check where I don't have to go through the regular screening process but I walk through a metal detector. I'm suppose to be going some where soon and I'm freaking out because my piercing is metal and I'm scared that the metal detector will go off. I looked online and most people said that I won't have anything to worry about but some people said that I would probably have to go to the back to get another screening. What do you suggest I do before i get to the airport??!