Hello iv has the copper coil for 3 years now no problems at all I always get my period same time every month but now I am 11 days late with cramps iv taking pregnancy test and its negative iv been to gp he done urine test and it came back that I had a urine infection but that still shouldn't stop my period was wondering could it interfere with a pregnancy test ore has any one els experience what I'm going threw thanks 😊