“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。
随便看	loop nebula loop needling machine loop of retrogression loop optimization loop orbit loop port loop product loop prominence loop quantum cosmology loop quantum gravitation loop quantum gravity loop space loop space; closed path space loop space machine loop systematic sampling loop tenacity loop testing loop theorem loop towel loop traffic detector loop transfer loop transfer rib machine loop transfer stitch loop transmission loop voltage

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