In Mexico, women with 45 to 59 years of age represent almost 13.45% of the total of the female population, a number that will increase in the coming years. Based on the reference that menopause in Mexican women is present in an average range of ages from 47.3 to 49 and considering that life expectancy is 78 years, it can be deducted that women in this stage still have a third of their years left to live.

In diverse publications, diverse definitions of perimenopause have been used. For the effects of this study, the Official Mexican Standard 035–SSA2–2002 was considered. In this way, perimenopause refers to the period where the signs begin, characterized by alterations in the intervals of the menstrual cycle and vasomotor symptoms. Meanwhile, menopause is amenorrea for 12 uninterrupted months, without a pathological or psychological cause, the moment from which is considered post menopause.