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. 2024 Feb 29;309(5):2021–2030. doi: 10.1007/s00404-024-07421-5
The Kyleena™ Satisfaction Study (KYSS) provided the first real-world data on 19.5mg levonorgestrel-releasing intrauterine system (LNG-IUS-19.5mg) use in routine clinical practice in Germany. These data demonstrated the suitability of LNG-IUS-19.5mg for a broad population, including young and nulliparous women.