Fig. 2From: Discontinuation rates of intrauterine contraception due to unfavourable bleeding: a systematic reviewRates of discontinuation for any reason 12–36 months after insertion (a) and discontinuation for bleeding at any time (b) for studies reporting data for levonorgestrel-releasing intrauterine systems (LNG-IUDs) and copper intrauterine devices (Cu-IUDs). *N for LNG-IUD and Cu-IUDBack to article page