RU-486

(är′yo̵̅o̅′fôr′āt′ē siks′)

noun

a steroid drug, CHNO, used orally primarily to terminate pregnancy at the earliest stage by blocking the reception of progesterone

also written RU486 or RU 486

Origin: < R(oussel) U(CLAF), the manufacturer

Learn more about RU-486

RU 486 medical definition

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