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What is Which of the following is true regarding RU 486? and explain in detail?
RU 486 (mifepristone) does not prevent feilization. It has affinity for progesterone receptors. It blocks the action of progesterone on the endometrium. It prevents implantation by causing sloughing and shedding of decidua. Single dose of 10mg prevents pregnancy in 99.1% cases. Ref: Shaw's Textbook of Gynaecology, 18th edition, p237