Research shows that puberty blockers can be used safely for several years whilst young people explore their gender identity. Evidence indicates these medications can be maintained for periods ranging from a few months to two years or more, providing families with genuine time to understand what is happening without the pressure of irreversible physical changes.
Guidelines demonstrate that the key advantage of puberty blockers lies in their reversible nature. If a young person decides they want to continue with their birth-assigned gender, the blockers can be stopped and natural puberty will resume. For example, a twelve-year-old could remain on puberty blockers until they are fourteen and still have plenty of time to make informed decisions about their future. This approach provides breathing space for everyone involved, allowing careful consideration without the irreversible consequences that come with allowing unwanted pubertal changes to proceed.
Medical professionals recognise that this timeframe allows young people and their families to work through complex feelings about gender identity in a supported environment. The reversible nature of puberty blockers means that decisions about continuing with gender-affirming treatment or returning to natural development can be made when the young person feels ready, rather than being rushed by the timeline of physical development.