Piercings and airlines question..?

im going on a trip half way around the world on saturday and my mom is taking me to get my eyebrow pierced on friday...i already have my nose and tounge pierced and i want to know if they are gna make me take of my piercings or something...also i want to know if i can tak my ipod in my pocket or do i have to put it lik some where else...also i want to know ummm if i can take the thingy i have to clean my piercing with on the plane with me and in what