Kyleena coil and period like cramps

When first inserted 3 months ago the cramps lasted for about 2-3 weeks inconsistently and occasionally get random ones between cycles, I still get occasional spotting for 1-2 days and periods now last longer than before (originally 3-4 days, now about 4-6 days, sometimes they stop then start again over two weeks). The most frustrating thing is not being able to predict when your period will start, they are getting lighter, but I had hoped they would stop. Also a note on insertion, I know this is all recommended beforehand but make sure you take the pain killers, only local anaesthetic is applied which seemed like it made no difference. You will likely have cramps for at least two weeks or longer whilst it settles down.

The experience is very good in terms of contraception. However I have had quite irregular periods which can be heavy alongside bad cramps.

I started it after changing from the copper coil. Having previously had no issues with the mirena coil i thought this would be fine but instead i got constant spotting, bled after sex, had a painful and irritated cervix and lost my sex drive.