Period Symptoms-IUD

Caitlin • I’m currently on my second IUD. I haven’t had any children either. I had my first interested at 17 when I became active. I was on the pill from the age of 13 until then to control periods! I had the Mirena first for 5 years, now I have the Kylena. I had t
Hi all! I've had my IUD for over 2 years. And I'm a worry wort. Now, my periods are pretty dang irregular but i still have them!
Just wondering if anything else has these symptoms w/ periods. 
I get bad heartburn, nauseous, and cramps about the week before. I've heard it's normal.. (Moms a nurse) but wondering if anyone else has this issue!! 
Also, how's your experience with IUD?