Puberty blockers - meaning and definition
Alsopuberty suppressionGnRH analogueshormone blockersblockerspuberty blockerGnRH agonists
Definition
Medicines that pause the physical changes of puberty by suppressing the hormones that drive it. They are used for early puberty and, in some countries, for young people with gender dysphoria.
At a glance
- Puberty blockers pause puberty by suppressing the hormones that drive it.
- They have long been used to treat precocious puberty, which starts unusually early.
- Their effect on puberty is intended to last only while the medicine is taken.
- Their use for gender-questioning young people is highly contested.
- Some health systems now limit this use to research settings; others still offer it under specialist care.
In detail
Puberty blockers are usually gonadotropin-releasing hormone analogues. They have long been used to treat precocious puberty, which is puberty that starts unusually early. Their effect on puberty is intended to last only while the medicine is taken.
Their use for gender-questioning young people is one of the most contested areas of medicine. Guidance differs between countries and has changed in recent years: some health systems now restrict their use to research settings following evidence reviews, while others continue to offer them under specialist care. Questions under active study include long-term effects on bone density and development, and who benefits most.
This entry describes the treatment for general understanding only. Families should rely on qualified clinicians and current national guidance.
In a sentence
- The news report explained why the country changed its guidance on puberty blockers.
- Our paediatrician first prescribed puberty blockers to treat my daughter's early puberty.
Not to be confused with
- Gender-affirming hormone therapy
Blockers pause puberty; hormone therapy introduces estrogen or testosterone to bring about physical changes.
Common questions
Are puberty blockers reversible?
Their effect on puberty is intended to last only while they are taken. Questions about long-term effects, such as on bone density and development, are still being studied. This is an area where current national guidance and qualified clinicians are the best source of information.
Why are puberty blockers controversial?
Evidence reviews in several countries led to different conclusions about who benefits most and what the long-term effects are. As a result, guidance differs between countries and has changed in recent years. Families should rely on specialist clinicians and their national health guidance.