这个词是什么意思？
A progestational and glucocorticoid hormone antagonist. Its inhibition of progesterone induces bleeding during the luteal phase and in early pregnancy by releasing endogenous prostaglandins from the endometrium or decidua. As a glucocorticoid receptor antagonist, the drug has been used to treat hypercortisolism in patients with nonpituitary CUSHING SYNDROME.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D015735 · MeSH 2026。
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