I had a Skyla IUD placed in April, approximately 5 cycles ago. The first period after was very heavy and long. The subsequent periods have been lighter and shorter than usual, but my baseline is crazy heavy. This month, my period is CRAZY light. I've been wearing a pantyliner for 2 days and I'm seeing a little pink when I wipe, but that's it. I'm having my other PMS symptoms (bad cramping, back pain, crave salt, fatigue). Is this just how it is with an IUD?