Rebecca Glaser, Constantine Dimitrakakis

National Institutes of Health, Bethesda, MD.

Myth: Testosterone is a ‘male’ hormone. 

Fact: Testosterone is the most abundant biologically active hormone in women.

Myth: Testosterone’s only role in women is sex drive and libido.   

Fact: Testosterone is essential for a woman’s physical and mental health and wellbeing

Myth: Testosterone Masculinizes females.   

Fact:  Outside of very high doses of synthetic androgens,  testosterone does not have a masculinizing effect on females of female fetuses.

Myth: Testosterone Causes hoarseness and voice changes. 

Fact:  There is no conclusive evidence that testosterone therapy causes hoarseness or irreversible vocal cord changes in women.

Myth: Testosterone Causes Hair Loss.   

Fact: Testosterone therapy increases scalp hair growth in women

Myth: Testosterone has adverse effects on the heart.   

Fact:  There is substantial evidence that testosterone is cardiac protective and that adequate levels decrease the risk of cardiovascular disease.

Myth:  Testosterone causes liver damage. 

Fact: Non oral testosterone does not adversely affect the liver or increase clotting factors

Myth: Testosterone causes aggression.  

Fact:  Testosterone therapy decreses anxiety, irritability and aggression

Myth: Testosterone may increase the risk for breast cancer.  

Fact:  Testosterone is breast protective and does not increase the risk of breast cancer

Myth:  The safety of testosterone use in women has not been established. 

Fact:  The safety of non-oral testosterone therapy in women is well established, including long term follow up.