What if my periods are heavier and/or my cramps are worse?
This is normal with IUDs. Try it for a few months, and take ibuprofen the first few days of your period.
Still not working? If you like the ease of using an IUD, but find that the side effects do not get better with time or painkillers, try switching to a hormonal IUS or to the implant 
Try a different method: implant; IUS
- Tudorache, et al. (2017). Birth Control and Family Planning Using Intrauterine Devices (IUDs). Retrieved from https://www.intechopen.com/books/family-planning/birth-control-and-family-planning-using-intrauterine-devices-iuds-