Testosterone is almost always framed as a male hormone, but women produce it too, and it plays a significant role in libido, energy, motivation, muscle strength, bone density and confidence. During perimenopause and menopause, testosterone levels gradually decline, and for many women this shows up as reduced sex drive, lower motivation and decreased physical and mental energy. Kate explains the full picture in Episode 4, including what the evidence actually says about testosterone therapy for women navigating midlife hormonal changes.