Male hormones, hypogonadism and fertility booklet

An information booklet about how pituitary conditions may impact male sex hormones and fertility, and the treatments available to help with this.

This booklet refers to 'male hormones', meaning the hormones in people who are of male biological sex.

This booklet covers:

• Your pituitary gland and hormones
• What is hypogonadism?
• What causes hypogonadism?
• Symptoms
• Hypogonadism and fertility issues
• Diagnosis of hypogonadism and fertility issues
• Treatment for testosterone deficiency
• Treatment for fertility issues
• Commons questions about treatment
• Long-term care

This booklet is helpful for anyone who has been diagnosed with, or thinks they may have, male hypogonadism caused by a pituitary condition. It is also useful for family, friends, carers and clinicians to help understand the condition.

You can also read more about this on our website page about male sex hormones, hypogonadism and fertility.

This booklet was last updated in June 2026. It is due to be reviewed in June 2029.

This booklet carries the PIF TICK mark for trusted health information.