Ovulation Question

I am currently 31 years old, and TTC #3. I just had the Mirena removed in March 2015. I started my period a few months before I was 11 years old, and for as long as I can possibly remember I always had ovulation cramps on my right side. I am having them on my left side currently. Not that it's a "huge deal" or anything, I'm just curious if this has happened to anyone else. I'm not sure if my body is just acting crazy, if it has to do with the IUD being removed, possibly something to do with my age, or what's going on. I have had 2 IUDs before and never had this happen.