What is the active ingredient in Kyleena?
Kyleena
Medications
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Open Jul 23, 2026 - 05:22 PM
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Answer
Jul 23, 2026 - 05:22 PM
The active ingredient in Kyleena is levonorgestrel, which is a progestin hormone. Levonorgestrel works by preventing ovulation, thickening cervical mucus to block sperm, and thinning the uterine lining, making it highly effective at preventing pregnancy.
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