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Blog: MenoPause ~ take time to think about it

Hot flashes and night sweats before menopause

by Margery Gass | Jun 17, 2013
Hear “hot flash” and most of us think of menopause. But reproductive-aged women have them too. How many healthy premenopausal women have vasomotor symptoms (hot flashes and night sweats), and why?

In women ages 45 to 56 with regular menstrual cycles, about 55% have experienced vasomotor symptoms at some point, shows new research in Menopause. The cross-sectional study examined 1,513 women in the Pacific Northwest. Native American women were most likely to report vasomotor symptoms (66.7%), followed by black women (61.4%), and white women (58.3%).  Asian and Hispanic women in the study were least likely to report ever having vasomotor symptoms (about 8% and 37%, respectively), similar to the patterns during the menopausal transition and early postmenopause.

Why would premenopausal women have hot flashes? As levels of estrogen go down in the body, numbers of hot flashes go up. Estrogen naturally declines as a woman gets older, especially at menopause. But estrogen levels can fluctuate enough to cause hot flashes years before menopause. Some women have hot flashes right after giving birth. Some may get them from intense exercise or from illness.

The relationship between reproductive status, general health, hormone levels, age, and vasomotor symptoms is complex and needs further investigation. But rest assured that it is perfectly normal to have hot flashes in the years before menopause. If you are still having regular cycles, these vasomotor symptoms do not necessarily mean menopause is beginning.



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1 Comment

  1. 1 Linda 19 Jun
    Hi, I guess this is more of a questin than a comment. I am 48 years old and still having periods although I have never really been regular. I get hot flashes before and during my periods; once in a great while I will get a flash a day or 2 after I stop. Is this considered normal? I can't find literature to answer this directly. maybe its just normal for me.
    Thanx, Linda

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MenoPause: the blog!

Posts to our Blog are written by NAMS staff members and Dr. Margery Gass. All posts are reviewed and edited by Dr. Gass. We strive to bring you the most recent and interesting information about various aspect of menopause and midlife health. We accept no advertising for our website. We want you to have accurate, unbiased, evidence-based information. 

Margery L.S. Gass, MD, NCMP
NAMS Executive Director

An internationally recognized leader in the field of menopause, Dr. Gass became Executive Director of The North American Menopause Society in 2010. Dr. Gass has been an investigator on numerous research projects, including serving as a principal investigator for the Women’s Health Initiative, and has published and presented on a wide range of topics related to menopause, including osteoporosis, sexual dysfunction, and hormone therapy.

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