Who should do testosterone testing?
You may need to check your testosterone levels if you're experiencing any symptoms associated with low T, regardless of Your age. or sex assigned at birth.
Keeping an eye on your testosterone levels is also important for transgender men and transmasculine people who are using hormone replacement therapy as part of their transition.
Trans folks should check their levels every 3 months for the first year that they're on HRT and every 6–12 months afterward.