Ifwomenaged18haveneverhadmenses,theconditionisknownasprimaryamenorrhea.Ifwomenhavenomensesformorethanthreemonths,afteranormalmenstrualcyclehaspreviouslybeenestablished,theconditionisreferredtoassecondaryamenorrhea.Thediseasecorrespondstocerebral,pituitary (共 7235 字) [阅读本文] >>