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What is the levonorgestrel-releasing implant?

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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Who should take levonorgestrel?
Stacy Wiegman, PharmDStacy Wiegman, PharmD
Levonorgestrel is intended for women and adolescents of menstrual age who need emergency contracepti...
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How soon will the levonorgestrel-releasing implant be effective?
Stacy Wiegman, PharmDStacy Wiegman, PharmD
The levonorgestrel-releasing implant is effective within a few weeks of the device being implant...
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What are side effects of the levonorgestrel-releasing implant?
Stacy Wiegman, PharmDStacy Wiegman, PharmD
The most commonly reported side effects of the levonorgestrel-releasing implant are changes in m...
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Is there a generic version of levonorgestrel?
Stacy Wiegman, PharmDStacy Wiegman, PharmD
Levonorgestrel is sold under the trade names Plan B and Plan B One-Step. Plan B is sold over-the-cou...
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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.