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Hormones · 5 min read
Testosterone in women — why it isn't just a men's hormone
Fatigue, low libido, brain fog and mood changes can all point to low testosterone. Here's when to test, and what treatment looks like.
By Dr. A. Rahman · Jun 2026
Testosterone is the most abundant sex hormone in women — until it declines steadily from the mid-thirties onward.
The symptoms that show up first
Low libido is the classic — but persistent fatigue, brain fog, low mood and reduced motivation frequently precede it.
The right test
Total testosterone alone is misleading. Free testosterone with SHBG gives a far more accurate read of what's biologically available.
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