Uh I neeed helppp!!

I’ve been wanting to get on birth control but not the pills , on IUD. I’m currently 16 can I got without a parent? I was thinking of taking my cousin or aunt ( cousin is 19 & my aunt is 24 ) would that work or you need parents? I’m not sure what to do , and if I go can I use my insurance without my parents finding out? I’m in need of help!! Please helppp!