What are hallmark signs of male hypogonadism?

The hallmark signs of male hypogonadism include decreased libido, erectile dysfunction, and reduced muscle mass. This condition is characterized by insufficient production of testosterone, which plays a crucial role in several aspects of male health.

Decreased libido, or reduced sexual desire, is a direct consequence of low testosterone levels, leading to difficulties in engaging in sexual activities. Erectile dysfunction is another common symptom, as testosterone is essential for normal erectile function. Additionally, a decline in testosterone contributes to reduced muscle mass, as this hormone is vital for muscle maintenance and growth.

In contrast, the other options do not accurately depict the symptoms associated with male hypogonadism. Increased libido and weight gain, testicular swelling with prolonged breast development, or increased energy and fertility would not be expected symptoms of this condition, as they contradict the established physiological effects of low testosterone levels.

Understanding these hallmark signs is crucial for diagnosis and management of hypogonadism, allowing for appropriate treatment plans to be formulated for affected individuals.