“perimenstral bleeding from nose or mouth，retrograde menstruation”的概念、定义、翻译、参考文献-科学参考

单词	perimenstral bleeding from nose or mouth，retrograde menstruation
释义	perimenstral bleeding from nose or mouth，retrograde menstruation Encyclopedia 医学﹝妇科病证﹞释 perimenstral bleeding from nose or mouth，retrograde menstruation倒经以经行前后或正值经期，出现周期性吐血或衄血为特征的病证。常伴有经量减少，又称经行吐衄、逆经。
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