For many years, because there was no standardization in the definition of PMS, when psychologists tried to report prevalence rates, their estimates ranged from five percent of women to 97 percent of women, so at the same time almost no one and almost everyone had PMS.
Por muitos anos, porque não havia uma padronização na definição da TPM, quando os psicólogos tentavam relatar as taxas de prevalência, as estimativas variavam de cinco a 97% das mulheres. Então, ao mesmo tempo, todos e ninguém tinham TPM.