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Why Some Women Are More Likely to Feel Depressed

Summary: A new study published in the journal Menopause finds longer duration of estrogen exposure from the start of menstruation until the onset of menopause is associated with a reduced risk of depression in women.

Source: NAMS.

New study links duration of estrogen exposure with increased vulnerability to depression: Longer exposure to estrogen shown to provide protection.

It’s no secret that the risk of depression increases for women when their hormones are fluctuating. Especially vulnerable times include the menopause transition and onset of postmenopause. There’s also postpartum depression that can erupt shortly after childbirth. But why do some women feel blue while others seem to skate through these transitions? One answer is provided through study results being published online today in Menopause, the journal of The North American Menopause Society (NAMS).

The article “Lifelong estradiol exposure and risk of depressive symptoms during the transition to menopause and postmenopause” includes data from a study of more than 1,300 regularly menstruating premenopausal women aged 42 to 52 years at study entry. The primary goal of the study was to understand why some women are more vulnerable to depression, even though all women experience hormone fluctuations.

Previous studies have suggested a role for reproductive hormones in causing an increased susceptibility to depression. This study focused largely on the effect of estradiol, the predominant estrogen present during the reproductive years. Among other things, estradiol modulates the synthesis, availability, and metabolism of serotonin, a key neurotransmitter in depression. Whereas fluctuations of estradiol during the menopause transition are universal, the duration of exposure to estradiol throughout the adult years varies widely among women.

Image shows a depressed woman.

A key finding of this study was that longer duration of estrogen exposure from the start of menstruation until the onset of menopause was significantly associated with a reduced risk of depression during the transition to menopause and for up to 10 years postmenopause. NeuroscienceNews.com image is for illustrative purposes only.

A key finding of this study was that longer duration of estrogen exposure from the start of menstruation until the onset of menopause was significantly associated with a reduced risk of depression during the transition to menopause and for up to 10 years postmenopause. Also noteworthy was that longer duration of birth control use was associated with a decreased risk of depression, but the number of pregnancies or incidence of breastfeeding had no association.

“Women are more vulnerable to depressive symptoms during and after the menopause transition because of fluctuating hormone changes,” says Dr. JoAnn Pinkerton, executive director of NAMS. “This study additionally found a higher risk for depression in those with earlier menopause, fewer menstrual cycles over lifespan, or more frequent hot flashes. Women and their providers need to recognize symptoms of depression such as mood changes, loss of pleasure, changes in weight or sleep, fatigue, feeling worthless, being unable to make decisions, or feeling persistently sad and take appropriate action.”

About this neuroscience research article

Source: Eileen Petridis – NAMS
Image Source: NeuroscienceNews.com image is in the public domain.
Original Research: The study will appear in Menopause.

Cite This NeuroscienceNews.com Article
NAMS “Why Some Women Are More Likely to Feel Depressed.” NeuroscienceNews. NeuroscienceNews, 19 July 2017.
<http://neurosciencenews.com/women-estrogen-depression-7122/>.
NAMS (2017, July 19). Why Some Women Are More Likely to Feel Depressed. NeuroscienceNew. Retrieved July 19, 2017 from http://neurosciencenews.com/women-estrogen-depression-7122/
NAMS “Why Some Women Are More Likely to Feel Depressed.” http://neurosciencenews.com/women-estrogen-depression-7122/ (accessed July 19, 2017).
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