17α-Methyl-19-norprogesterone
17α-Methyl-19-norprogesterone is a synthetic progestogen and a derivative of progesterone. It is structurally related to 19-norprogesterone and is characterized by the presence of a methyl group at the 17α position. This compound is part of the class of progestins, which are synthetic analogs of the natural hormone progesterone.
Chemical Structure and Properties[edit | edit source]
17α-Methyl-19-norprogesterone has a chemical structure that is similar to that of progesterone, with modifications that enhance its progestogenic activity. The addition of a methyl group at the 17α position and the removal of the 19-methyl group are key structural changes that distinguish it from natural progesterone.
Pharmacology[edit | edit source]
As a progestogen, 17α-Methyl-19-norprogesterone binds to the progesterone receptor and mimics the effects of natural progesterone. It is used in various hormonal contraceptives and hormone replacement therapy formulations. The compound exhibits strong progestogenic activity and has been studied for its potential use in contraception and the treatment of menstrual disorders.
Medical Uses[edit | edit source]
17α-Methyl-19-norprogesterone is primarily used in the field of reproductive medicine. It is utilized in oral contraceptives, injectable contraceptives, and intrauterine devices (IUDs) to prevent ovulation and regulate the menstrual cycle. Additionally, it is used in hormone replacement therapy for the management of menopausal symptoms.
Side Effects[edit | edit source]
The side effects of 17α-Methyl-19-norprogesterone are similar to those of other progestins and may include nausea, headache, breast tenderness, and mood changes. Long-term use may be associated with an increased risk of thromboembolic events and breast cancer.
History[edit | edit source]
The development of 17α-Methyl-19-norprogesterone was part of the effort to create more effective and longer-lasting progestogens for use in contraception and hormone therapy. Its synthesis and characterization have contributed to the understanding of progestogen structure-activity relationships.
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