Due to insurance issuses I changed my OB/Gyn doctor to have my IUD put in. (My doctor's office wanted prepayment of the IUD then would remburse me when the insurance paid, the new doctor accepted the insurance directly.)
I was not as comfortable with the new doctor. She was "new" to the practice and to the procedure too, I found out later. The procedure was a little uncomfortable. All in all I was happy. Then, I was having pain. Long story short, the new doctor did not place the IUD properly. It wasn't life threatening or anything like that, but an ultrasound showed it to be ineffective. I had it imeadiatly removed.
I would make sure the person has had a lot of insertions before having the procedure. The company websites often have list of providers with the numbers of procedures. Just ask, and feel comfortable before your procedure.
Good Luck