Sex drive increases. Sexual enjoyment may also increase, but the clitoris may become so sensitive as to make direct stimulation painful.
Clitoris elongates, eventually reaching 3-8 cm. The later Testosterone is started, the less effect there will be.
Body and facial hair growth speeds up, becomes thicker and darker.
Male pattern baldness may set in.
Muscle mass- especially around the shoulders and chest-increases with exercise. It may even increase slightly with no exercise.
Oil and sweat glands become more active. This may result in acne.
Fat is redistributed. The face becomes typically male in shape. Fat tends to move away from the hips and toward the waist.
Outer skin layer may become rougher in feeling and appearance.
Metabolism may increase. one may lose weight, gain energy, need ess sleep, get hot more easily and feel more alert. However, appetite usually increases, so one may gain weight due to increased caloric intake and increased muscle mass.
Body odors change. They become less musky and more tangy or metallic.
Emotions change. Agressive and dominant feelings may increase. I have noticed that I am less able to cry and less likely to.
Testosterone can sometimes cause liver tumors and cysts, especially if the liver is already weakened by alcohol, drug use or infection...have the liver checked often.
Taking Milk Thistle (silymarin) may help protect the lver by increasing the content of glutathione and superoxide dismutase. These suubstances help detoxify a wide range of hormones, drugs and chemicals. Hypothyroidism will partially or completely block development..get it tested and correct it before starting testosterone.
Cholesterol may increase when you take testosterone so get it tested and eat a well balanced meal with less cholesterol.
The menstrual cycle should cease within about 5 months of a steady androgen regimen. If it hasn't, take a blood test to determine the serum androgen level.
Male hormones do not significantly alter the size of the breasts or change the structure of the bones.