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Mifegyne Mechanism: Mifegyne works by blocking progesterone, a hormone necessary for pregnancy to continue. Without progesterone, the uterine lining breaks down, preventing the pregnancy from progressing. Misoprostol is then used to expel the pregnancy tissue from the uterus, completing the process. The combined effect of Mifegyne and Misoprostol ..

Mifepristone Mechanism: Mifepristone is an oral medication that serves as an anti-progestin, effectively blocking the hormone progesterone, which is essential for sustaining pregnancy. By binding to progesterone receptors, it halts the supply of oxygen and nutrients to the developing embryo, ultimately leading to its demise. This mechanism of acti..

RU486: Mechanism of Action RU486, or mifepristone, functions primarily as a progesterone receptor antagonist, inhibiting the effects of progesterone, a hormone essential for sustaining pregnancy. While it does not induce a significant biological response to progesterone, it exhibits weak anti-glucocorticoid and anti-androgenic properties. RU486 fa..