Aperiodmorethansevendaysadvancedisreferredtoasashortenedmenstrualcycle.Inseverecases,theremaybetwoperiodseverymonth.Aperiodthatisadvancedthreetofivedayswithoutanyaccompanyingsymptomsandsignsisconsiderednormal;soisanoccasionallyshortenedcyele.Thediseaseisd (共 3205 字) [閱讀本文] >>