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The levonorgestrel-releasing implant is an intrauterine prescription contraceptive system that releases progestin hormone. This hormone prevents ovulation (the release of an egg from the ovaries). It also makes cervical mucus thicker, which makes it less likely that sperm will fertilize an egg. Also, it causes changes in the endometrial lining that help prevent a fertilized egg from implanting in the uterus.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.