Testosterone levels peak during male puberty and decline with age in both males and females. With low testosterone in males, you can have a decreased sex drive, trouble with erections, and low sperm ...

People assigned female at birth produce small amounts of testosterone in their ovaries. It converts to estrogen and supports reproduction, growth, and general health. When it comes to sex hormones, ...

Testosterone levels are at their highest during adolescence and early adulthood. Testosterone levels may start to decline after age 30 years in males and between ages 45 and 55 years in females.