Hello! I Had A Question About My Skyla IUD. I

Hello! I had a question about my Skyla IUD. I got it inserted maybe 2 weeks ago. My boyfriend told me he could feel it last night. He said he has felt it on other occasions as well and it hasn't moved at all. I could only feel the strings. I was reading reviews and there was a lot of people who said this was something they experienced too, but the longer they had the IUD and the more mucus that gathered on the stings, the less their partners could feel it. Is this something I should worry about (pregnancy wise) or can we carry on with our business?