Mild pain on one side

Just got Mirena inserted 4 days ago.

Almost no bleeding, a bit cramps on the first day. Had sex on the 3rd day and everything was ok.

All the pain gradually went away and all I have left is a mild pain on one side.

I'm pretty bloated and although it doesn't hurt a lotttt, I realized it hurts after I wake up and start moving.

Should I worry?

I was told to go back for a check up after my period (in a month or so). Don't want to go and pay to have the doctor tell me it's normal.

Also can't feel the strings, never did, was never told to check, I know he cut them short on purpose tho.