Antiprogestogen

Antiprogestogen is a type of hormone that blocks the effects of progesterone, a hormone that is necessary for pregnancy. Antiprogestogens are used in some forms of contraception and in some treatments for cancer and other diseases.

Mechanism of Action

Antiprogestogens work by binding to the progesterone receptor, preventing progesterone from binding and exerting its effects. This can prevent the growth and development of certain types of cells, such as those in the uterus that are necessary for pregnancy, or those in certain types of cancer.

Uses

Antiprogestogens are used in a variety of medical treatments. They are most commonly used in contraception, where they can prevent pregnancy by preventing the growth and development of the uterine lining necessary for pregnancy. They are also used in the treatment of certain types of cancer, including breast cancer and endometrial cancer, where they can slow or stop the growth of cancer cells.

Side Effects

Like all medications, antiprogestogens can have side effects. These can include nausea, vomiting, headache, and dizziness. In rare cases, they can cause more serious side effects, such as blood clots or stroke. It is important to discuss these risks with a healthcare provider before starting treatment with an antiprogestogen.

See Also

• Progesterone
• Contraception
• Breast cancer
• Endometrial cancer

Antiprogestogen Resources
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