Who Gets MPB & How Common is it?
Both men and women do.
AGA is very common, one study mentioned that AGA affected as many as 40% of adult men and women combined. [22] Another study mentioned that AGA affected up to 50% of white men 50 years of age or older [3] and it “affects up to 80% of males by the age of 80”. [20]
Thirteen percent (13%) of pre-menopausal women are thought to experience some symptoms of AGA, this number climbs up to 75% of women experiencing AGA after the age of 65. [13] Hair loss is increasing in both men and women, men in their early twenties are now experiencing MPB.
According to wikipedia (as of 1/1/2011) “Incidence of pattern baldness varies from population to population based on genetic background, environmental factors do not seem to affect this type of baldness greatly. One large scale study in Maryborough, Victoria, Australia showed the prevalence of mid-frontal hair loss increases with age and affects 73.5% of men and 57% of woman aged 80 and over. According to Medem Medical Library’s website, male pattern baldness affects roughly 40 million men in the United States. Approximately 25 percent of men begin balding by age 20; two-thirds begin balding by age 60. There is a 4 in 7 chance of getting the baldness gene.”
This type hair loss follows a predictable pattern (in contrast to spots of baldness or alopecia totalis), most noticeably in men, thus it is commonly referred to as male-pattern baldness (MPB). To many, the term male pattern baldness (MPB) is interchangeable with androgenic alopecia (AGA).
According to current understanding, women also experience AGA. [13] [20] [23] [26][28] In women, the hair loss progresses as a diffused thinning of hair all over the top areas and crown of the head (i.e. parietal region). [5] [13] In this case, this hair loss is either referred to as male-pattern baldness, or as female-pattern baldness. [13]
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I do not use the term androgenic alopecia (AGA). Find why here: Should the Term “Androgenic Alopecia” Be Used?
I have heard of women who where told they had “male pattern baldness” by their doctors (because her doctor viewed it is a male-hormone dependent condition), I think the label of AGA is insensitive and misleading, it’s simply based on old science.
I am seeing more younger males and females with thinning hair, everywhere in the U.S. these days. I’d estimate about half the men I know in their thirties have hair loss.
Edited: 12/29/2010
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Tags: Female Hair Loss, Female Pattern Baldness, Hair, Male Pattern Baldness, MPB