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Everything You Need to Know About Hormonal IUDs
A hormonal IUD releases small amounts of levonorgestrel (progestin) each day, a synthetic version of the hormone progesterone the body naturally produces. Progestin released from a hormonal IUD ...
Medscape6d
Third-Generation Oral Contraceptives: Future Implications of Current Use
Levonorgestrel derives from estrone by the ... MR = Mineralocorticoid receptor; PR = Progesterone receptor. The relative binding affinity (%) of the main progestins discussed in this paper for ...
Medscape11d
Managing Clinical Complexities of Long-Term Contraception
It must be replaced annually as progesterone is depleted ... Widely used in Europe, but not yet available in the US, is a levonorgestrel-containing IUD. This progestin-containing IUD may remain ...