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Share your dilemmas and get honest opinions from other Mumsnetters.

To think 11 year old girls should NOT be eligible for the newly restarted puberty blockers trial?

124 replies

SingleSexSpacesInSchools · 19/06/2026 14:16

https://www.telegraph.co.uk/gift/174c8f4252fcd5a5

We know puberty blockers cause permanent harm at any age. 11 is at least 5 years too young. How can the government sanction permanent damage to a child? Hundreds of children, IQ damaged, infertility and sexual function risks, bone density damage, not to mention not addressing that poor child’s underlying mental health issues which should be helped and addressed in the most supportive and humane manner.

I am disgusted Labour can let this horror show go ahead.

Girls aged 11 eligible for restarted puberty blocker trial

Experiment revived despite potential ‘long-term biological harms’

https://www.telegraph.co.uk/gift/174c8f4252fcd5a5

OP posts:
owlpassport · 21/06/2026 14:00

Seethlaw · 21/06/2026 13:57

It has never been demonstrated that gender dysphoria makes people (edit: incredibly) unhappy or suicidal. What has been shown over and over again, however, is that unhappy or suicidal people latch onto the promise that transitioning will magically make their life better. Needless to say, it doesn't, and their lot doesn't get any better, quite the contrary.

Edit: missed an important word.

Edited

I understand, I agree, and hopefully this trial will provide part of the evidence base to prove that puberty blockers have no place. But I was asked if I would let my child enter, and honestly if it was a last resort, maybe I would.

Willowspaw · 21/06/2026 14:04

Again going back to the beginning why are we trying to treat ‘gender incongruence’
what is gender?
The whole house is built on sand.

Seethlaw · 21/06/2026 14:05

owlpassport · 21/06/2026 14:00

I understand, I agree, and hopefully this trial will provide part of the evidence base to prove that puberty blockers have no place. But I was asked if I would let my child enter, and honestly if it was a last resort, maybe I would.

Why would you, though? I honesly don't understand?

I mean, I certainly wouldn't. If my child showed such a deep unhappiness, I would focus on looking for the actual source of that distress, and treating that. I certainly wouldn't add even more problems to their load.

Seethlaw · 21/06/2026 14:14

Willowspaw · 21/06/2026 14:04

Again going back to the beginning why are we trying to treat ‘gender incongruence’
what is gender?
The whole house is built on sand.

Indeed it is. Gender identity is an inner feeling which can never objectively assessed.

Even worse: the proponents of gender identity themselves admit that it can vary in many people over time. According to the ideology, some people cycle very rapidly through various identities (daily or weekly), but others cycle/change much more slowly (over months or years).

What I'm saying is: the child who identifies as a boy today, may well identify as non-binary in a few months, as a girl in a few years, and as something else entirely some time beyond.

So if they are made to transition medically on the basis of their first trans identity, they may well end up with a body which is at partial or complete odds to what they become later on - and they can't go back.

EasternStandard · 21/06/2026 14:14

Willowspaw · 21/06/2026 14:04

Again going back to the beginning why are we trying to treat ‘gender incongruence’
what is gender?
The whole house is built on sand.

Could anyone answer this? Why are adults even contemplating it as real.

OldCrone · 21/06/2026 14:16

owlpassport · 21/06/2026 13:50

I did read what you wrote. I just think you're full of shit, and state your opinions as though they're fact so I'm not going to continue trying to debate with you. We do not have clear evidence of harm, the risks and/or benefits are unclear overall. Technically you could argue any drug is harmful, if you look at the recorded side effects. But in reality, they're generally accepted risks. And you can't just decide what would be a valid outcome measure! You may not agree that the results mean anything either way, fine, but that is your opinion. It's not a fact.

Purpose of clinical trial:
To evaluate benefits and risks of using gonadotropin-releasing hormone analogues (GnRHa) for puberty suppression in children and young people (CYP) with gender incongruence.

Primary Objective:
To determine the short/medium-term benefits and risks of GnRHa for puberty suppression in CYP with gender incongruence. This will take a comprehensive approach to domains of possible benefit and risk, including quality of life, mental health, gender identity/dysphoria and body satisfaction, impact on cognition and brain development and physical effects including bone mineral density.

Secondary Objective(s):
To understand which potential outcomes (e.g.,
domains of quality of life, mental health, gender and body distress, cognition, physical health) are the priority goals for CYP receiving GnRHa.
To allow for future safety, efficacy, and effectiveness data, including rarer adverse effects and long-term effects, pending further funding.

So far your arguments seem to be 1. There's not enough evidence of potential benefit already, and 2. What are they trying to show? So hopefully the above quotes will help with 2, and as for 1 - you get evidence through research. And not all research is to prove the benefit of an intervention. Sometimes it is to investigate whether standard practice is effective. Research doesn't have to be a randomised controlled trial to be valid.

Define gender incongruence.

What is a gender identity?

Why is a mental health problem in a physically healthy child being treated with drugs which cause infertility, reduced bone density, reduction in IQ, impaired sexual function and other unwanted effects?

MeepMeepMeepMeepMeep · 21/06/2026 14:18

Sartre · 19/06/2026 14:28

Agreed. Anecdotal but a boy in my DS’s year wanted to be a girl right throughout secondary, insisted on being called a girl’s name and everyone using she/her pronouns. Now at the end of year 11 he’s reverted back and decided he is in fact a boy. Imagine if he’d been given these.

My daughter did this. 2 years, aged 14 to 16 she was non binary then 'a boy'. School used a different name and male pronouns without my knowledge or consent.

I put an end to it. She left highschool, started college and lost contact that group of friends that were 'all trans'

Within 6 months of unbiased support she was back to her normal self and now, 2 years later I'm battling with her over skirt length and the cost of regular highlights at her fancy hairdressers. She couldn't be further from non binary/ male.

Imagine I had 'affirmed' her belief and signed her up to something like this!

JellySaurus · 21/06/2026 18:15

Willowspaw · 21/06/2026 14:04

Again going back to the beginning why are we trying to treat ‘gender incongruence’
what is gender?
The whole house is built on sand.

How come we don't treat adiposity incongruence? Why has there not been a study into the use of GLP-1 agonists in the treatment of anorexia?

Why is this the only incongruence condition that is treated by affirmation? Why is this the only incongruence condition where the restoration of healthy body condition and healthy mind-body relationship are de-emphasised?

JellySaurus · 21/06/2026 18:28

owlpassport · 20/06/2026 22:10

You clearly have an anti-trans ideology, so nothing I say will convince you. While I personally agree with most things you are saying, the fact is we need an evidence base. The trial results may demonstrate the points you believe. Surely this would be a good thing?

We have a pro-safeguarding attitude and an anti-gender-stereotyping attitude. We do not believe in causing children harm in order to prove that we should not cause children harm.

owlpassport · 21/06/2026 20:40

Seethlaw · 21/06/2026 14:05

Why would you, though? I honesly don't understand?

I mean, I certainly wouldn't. If my child showed such a deep unhappiness, I would focus on looking for the actual source of that distress, and treating that. I certainly wouldn't add even more problems to their load.

With respect, you don't need to understand or agree. I'm not saying I'd be queuing up to get my child in, but if they were one of the relatively few people eligible for this, and if their doctors believed it was a good idea then I'd consider it because I'm a proponent of research and an evidence base, and I don't believe there is sufficient evidence either way at present. It's a bit like organ donation I guess. I can't understand why someone wouldn't be an organ donor, but you can't argue it. It's just different opinions and comfort levels.

Seethlaw · 21/06/2026 20:47

@owlpassport

Fair enough.

endofthelinefinally · 22/06/2026 18:29

I have said this before. I cannot understand how this trial got ethical approval. The fact that Professor George was recused speaks volumes.
IMO reasons Hilary Cass agreed with the possibility of a trial was probably a combination of fear (she received death threats), insufficient grasp of the ideology pushed by the adult males who are the loudest voices in the movement. (I can't use the word I want).
Then there is the fact that the Tavistock said they didn't keep records. They also said they would not share records. Either way it is deeply suspicious. If all their patients did well and were living happy lives I would expect them to be happy to prove it.
Hannah Barnes did a better job with "Irreversible Damage".

CornishDaughteroftheDawn · 22/06/2026 19:11

owlpassport · 21/06/2026 10:15

If evidence of harm becomes obvious during the trial it will be stopped early, so as few as possible. A sample size calculation will have been performed to show how many participants they require to demonstrate statistical benefit. Stop being sensationalist.

But we already know that over use of puberty blockers can cause a drop in IQ (which is quite horrendous in itself) and hamper development of normal genitalia - boys will retain a prepubescent size penis.

It stops development of bone density at a time when it should be increasing and it affects normal bone growth so in boys it has been observed to stop the growth plates fusing (like the 16th castrato - boys castrated before puberty to preserve their high singing voices) and they often grow abnormally tall with weak joints and girls just stop growing, making them even further from their target of looking male.

Puberty blockers also stop normal development into adult fertility - the clinics offer ‘fertility preservation methods’ because this is also pretty much a given.

We know that all these harms are far more likely than not. This is not in question. Is that a reasonable basis on which to do this to more children?

CornishDaughteroftheDawn · 22/06/2026 19:18

MeepMeepMeepMeepMeep · 21/06/2026 14:18

My daughter did this. 2 years, aged 14 to 16 she was non binary then 'a boy'. School used a different name and male pronouns without my knowledge or consent.

I put an end to it. She left highschool, started college and lost contact that group of friends that were 'all trans'

Within 6 months of unbiased support she was back to her normal self and now, 2 years later I'm battling with her over skirt length and the cost of regular highlights at her fancy hairdressers. She couldn't be further from non binary/ male.

Imagine I had 'affirmed' her belief and signed her up to something like this!

Thank goodness she had you standing up for her.

It’s like so many adults have completely lost sight of what it is like to be a child and have no idea how children think and develop.

I’m so gutted for the girls who have to live with the life changing decisions they were allowed to make as adolescents. That overwhelming feeling of regret that some have literally amputated their breasts forever. To know they will never be able to breastfeed the child they now realise that they want as they have matured.

SingleSexSpacesInSchools · 22/06/2026 20:24

owlpassport · 21/06/2026 20:40

With respect, you don't need to understand or agree. I'm not saying I'd be queuing up to get my child in, but if they were one of the relatively few people eligible for this, and if their doctors believed it was a good idea then I'd consider it because I'm a proponent of research and an evidence base, and I don't believe there is sufficient evidence either way at present. It's a bit like organ donation I guess. I can't understand why someone wouldn't be an organ donor, but you can't argue it. It's just different opinions and comfort levels.

“With respect, you don’t need to understand or agree” is not good enough when the subject is children’s bodies.

Research is not automatically ethical just because it creates evidence. History is full of experiments that produced data and were still morally monstrous. Mengele experimented on children and “found things out”. That did not make it medicine. It was a crime because the children were treated as means to an end, not as people to be protected.

I am not comparing your motives to his. I am saying the principle matters: you do not experiment on children simply because adults want an evidence base.

The organ donation comparison is completely wrong. Organ donation is usually an adult consenting to help someone else, often after death. This is living children being given drugs that interrupt normal puberty, with possible consequences for bone development, brain development, sexual development, fertility and future adult function.

And in this case we are not starting from neutral uncertainty. We already know what puberty does. We know it is essential to normal adolescent development. We know blockers suppress that process. We know the pathway often does not end with “a pause”, but moves on to cross-sex hormones. We know that can mean infertility, impaired sexual function and lifelong medicalisation.

So the question is not “are you pro-research?” Everyone sensible is pro-research.

The question is: why are you comfortable experimenting on children when the intervention is stopping healthy puberty, the benefit is unproven, and the foreseeable harms are so serious?

The best outcome for a child with gender distress is not becoming a lifelong medical patient. The best outcome is careful whole-child support that helps them live peacefully in their own body.

OP posts:
SingleSexSpacesInSchools · 22/06/2026 20:29

owlpassport · 21/06/2026 13:50

I did read what you wrote. I just think you're full of shit, and state your opinions as though they're fact so I'm not going to continue trying to debate with you. We do not have clear evidence of harm, the risks and/or benefits are unclear overall. Technically you could argue any drug is harmful, if you look at the recorded side effects. But in reality, they're generally accepted risks. And you can't just decide what would be a valid outcome measure! You may not agree that the results mean anything either way, fine, but that is your opinion. It's not a fact.

Purpose of clinical trial:
To evaluate benefits and risks of using gonadotropin-releasing hormone analogues (GnRHa) for puberty suppression in children and young people (CYP) with gender incongruence.

Primary Objective:
To determine the short/medium-term benefits and risks of GnRHa for puberty suppression in CYP with gender incongruence. This will take a comprehensive approach to domains of possible benefit and risk, including quality of life, mental health, gender identity/dysphoria and body satisfaction, impact on cognition and brain development and physical effects including bone mineral density.

Secondary Objective(s):
To understand which potential outcomes (e.g.,
domains of quality of life, mental health, gender and body distress, cognition, physical health) are the priority goals for CYP receiving GnRHa.
To allow for future safety, efficacy, and effectiveness data, including rarer adverse effects and long-term effects, pending further funding.

So far your arguments seem to be 1. There's not enough evidence of potential benefit already, and 2. What are they trying to show? So hopefully the above quotes will help with 2, and as for 1 - you get evidence through research. And not all research is to prove the benefit of an intervention. Sometimes it is to investigate whether standard practice is effective. Research doesn't have to be a randomised controlled trial to be valid.

I’m going to ignore the insult and stick to the issue.

You still have not answered the fundamental question: what is a successful outcome?

Quoting the trial aims does not answer that. Saying it will measure “quality of life, mental health, gender dysphoria, body satisfaction, cognition, brain development and bone density” is just a list of things being measured. It does not tell us what good looks like.

If the child has gender incongruence, the only genuinely good clinical outcome is that the child no longer has gender incongruence or distress about their sexed body.

Puberty blockers cannot do that.

They cannot make a girl into a boy or a boy into a girl. They cannot reconcile a child to reality. They cannot treat the underlying distress. They can only stop normal puberty.

So what are they actually trying to prove?

If “success” is reduced distress while puberty is suppressed, that proves nothing useful. Of course a child distressed by puberty may feel temporary relief if puberty is stopped. An anorexic child may feel relief if you help her avoid weight gain. A body dysmorphic child may feel relief if you agree the body is the problem. That does not make the intervention good care.

If “success” is later progression to cross-sex hormones, then this is not a pause. It is a pathway.

If “success” is better body satisfaction after stopping puberty, then that is circular: you have medically prevented the very development the child was distressed by.

The trial can measure many things. That does not mean the treatment has a coherent therapeutic endpoint.

And no, it is not true that we have no evidence of harm. We have evidence of compromised bone density during puberty suppression. We have unknowns around brain development and psychosexual development. We have the obvious fact that blocking puberty interferes with normal sexual maturation. We have a real-world pathway where many children who start blockers proceed to cross-sex hormones, with implications for fertility, sexual function and lifelong medicalisation.

That is not “any drug has side effects”. That is interrupting a normal developmental process in children.

You also keep saying “this is how we get evidence”. That is not enough. Research is not automatically ethical because it creates evidence. You still need a plausible benefit, an acceptable risk-benefit balance, and a child capable of meaningful consent to the stakes involved.

An 11-year-old cannot meaningfully weigh future fertility, adult sexual function, bone health, brain development, regret and lifelong medication against immediate distress about puberty.

The Finnish data is also not reassuring. It found that the elevated suicide risk in gender-referred young people was explained by their severe psychiatric morbidity, not by whether they received gender reassignment interventions. Other Finnish follow-up has shown psychiatric morbidity remaining very high or increasing after medical gender reassignment. That supports the obvious conclusion: these are distressed children who need serious whole-child mental health care. It does not show that medical transition solves the underlying problems.

So again: what is the positive outcome?

Not “what domains will the trial measure?”

Not “what does the protocol say?”

What actual good outcome can puberty blockers produce that careful psychological support cannot produce more safely?

Because if the outcome is not “the child no longer has gender incongruence”, then you are not treating the actual problem. You are using drugs to stop a healthy child’s normal puberty because the child is distressed by it.

I think that is horrific. Children should not be experimented on just because adults have built a theory around their distress.

OP posts:
MeepMeepMeepMeepMeep · 22/06/2026 20:30

CornishDaughteroftheDawn · 22/06/2026 19:18

Thank goodness she had you standing up for her.

It’s like so many adults have completely lost sight of what it is like to be a child and have no idea how children think and develop.

I’m so gutted for the girls who have to live with the life changing decisions they were allowed to make as adolescents. That overwhelming feeling of regret that some have literally amputated their breasts forever. To know they will never be able to breastfeed the child they now realise that they want as they have matured.

I understood because I was the same as my daughter during those same years of 13-16. I was a tom boy. I wanted short hair. I was attracted to my female friend. I was (undiagnosed) autistic (she is diagnosed) . I felt uncomfortable and embarrassed with my developing teenage female body and hid it away beneath baggy clothes.
Then I hit 16 got a boyfriend, gained some confidence and grew out of it.

If I was a teenager in 2020 I would have fell for the trans agenda too. Instead I was an emo. Much less dangerous.

SingleSexSpacesInSchools · 22/06/2026 20:33

owlpassport · 21/06/2026 13:52

It depends. Probably not, as it is potentially risky and I don't personally believe in the potential benefits. But if I had a child where the alternative was they were incredibly unhappy and potentially suicidal, then perhaps. I don't think any of us know what we might do in worse case scenarios.

This “suicidal child” argument has been repeatedly challenged, and with good reason.

Of course any suicidal child needs urgent, serious, compassionate help. But that does not mean the answer is to affirm a false belief and medically stop normal puberty.

The Finnish study found that suicide risk in gender-referred young people was explained by psychiatric morbidity, not by gender dysphoria itself once mental health history was accounted for. Professor Louis Appleby also found no evidence for claims of a suicide “surge” after puberty blockers were restricted.

So this emotional blackmail of “blockers or suicide” is not evidence-based.

Lying to children does not make them better. Teaching a child that their healthy body is the problem does not make them better. We mature by learning to tolerate distress, sit with discomfort, and move forward in reality, not by sticking our fingers in our ears and pretending the world is different.

A child in that much distress needs proper whole-child mental health care, not adults colluding with the idea that puberty is the enemy.

OP posts:
MeepMeepMeepMeepMeep · 22/06/2026 20:35

I don't know how people can say that 11yo kids 'know'

Kids don't know shit about who they are.

Jesus, in my early 30S I was a labour voter, had a girlfriend, attended LGBTQ+ rallies, had blue hair, got a shit tonne of tattoos and a septum piercing. I thought that was 'who I was'.

Turns out 'identity' is BS. Midlife crisis' are real.

Now I'm early 40s. You couldn't pay me to vote labour. I am as straight as straight can be. I absolutely loathe all my tattoos and probably look like a mum in an M&S advert. And am a proud TERF.

So how on earth could I trust my 14yo daughter to 'know' who she is and allow her to make irreversible changes to her body?

Seethlaw · 22/06/2026 20:48

MeepMeepMeepMeepMeep · 22/06/2026 20:35

I don't know how people can say that 11yo kids 'know'

Kids don't know shit about who they are.

Jesus, in my early 30S I was a labour voter, had a girlfriend, attended LGBTQ+ rallies, had blue hair, got a shit tonne of tattoos and a septum piercing. I thought that was 'who I was'.

Turns out 'identity' is BS. Midlife crisis' are real.

Now I'm early 40s. You couldn't pay me to vote labour. I am as straight as straight can be. I absolutely loathe all my tattoos and probably look like a mum in an M&S advert. And am a proud TERF.

So how on earth could I trust my 14yo daughter to 'know' who she is and allow her to make irreversible changes to her body?

I mean, what parent would let their child decide any other part of their future at 11?

Would they organise a wedding to their child's first crush?
Would they set in stone that their daughter will study whatever holds her attention at 11?
Would they keep buying their son the same clothes he loves at 11?

That's just insane.

DameMaud · 23/06/2026 08:04

SingleSexSpacesInSchools · 20/06/2026 16:32

I have read the protocol. That does not make the objection disappear.

”The protocol answers this.”

No, it describes the mechanism of the trial. It does not answer the central ethical problem: what positive outcome is actually possible here?

If a child has gender incongruence, the genuinely good outcome is that the child is no longer distressed by the reality of their sexed body. Puberty blockers cannot achieve that. Cross-sex hormones cannot achieve that. Surgery cannot achieve that. None of those things make a child the opposite sex. They only medicalise the child’s healthy body around a false premise.

”There is a distinction between consent and assent.”

Yes, legally there is. But that is not the same as saying this is ethically sound.

An 11-year-old cannot meaningfully understand the lifelong implications of interrupting puberty: fertility, sexual function, bone health, brain development, future regret, and dependence on further treatment. Calling that “assent” does not make it informed in any meaningful adult sense.

And parental consent has limits too. Parents cannot ethically consent to every possible intervention just because a child is distressed. The question is whether the intervention has a coherent therapeutic purpose and an acceptable risk-benefit balance. I do not think this does.

”This is not primarily to investigate what the drug does.”

That is not reassuring. The concern is not merely the drug in isolation. The concern is the pathway.
The trial itself is about suppressing normal puberty in children with gender incongruence. The endpoint is not “child reconciled to their body”. The wider pathway can include continued blockers or cross-sex hormones. That is exactly the issue.

”The child has had holistic care first.”

That does not solve the problem. It actually underlines it.

If a child is distressed, autistic, anxious, traumatised, bullied, struggling with sexuality, struggling with puberty, or struggling with body image, the answer should be careful whole-child psychological support. Not drugs to stop normal sexual development.
“Holistic care first” is not a moral permission slip to then medically interrupt puberty.

“They must have a diagnosis of gender incongruence.”

That is not a safeguard. That is the contested assumption.

A diagnosis saying a child strongly wants to be the other sex does not prove that affirming that belief medically is good care. A child can have real distress and still be wrong about the solution. Adults are supposed to protect children from irreversible or high-risk responses to distress, not build a medical pathway around them.

”They are counselled on the risks multiple times.”

Counselling a child about risks does not mean the child can grasp them.

An 11-year-old cannot properly weigh the possibility of future infertility or impaired sexual function against immediate distress about puberty. They have no adult frame of reference for what they are being asked to gamble with.

”It has ethics approval.”

Ethics approval is not a trump card. Many things have been approved by formal processes and later judged to be harmful, wrong or based on poor assumptions.

The real question is still: what is the positive therapeutic aim?

If the aim is “pause puberty”, that is not a health outcome. If the aim is “reduce distress”, there are safer ways to address distress. If the aim is “help transition”, then this is not neutral research, it is the first step on a medicalised pathway.

I do not accept that children should be used to test whether stopping normal puberty might make them feel better about an identity conflict. The best outcome is not a child becoming a lifelong medical patient. The best outcome is a child being helped, carefully and compassionately, to live peacefully in their own body.

Brilliant!
Yes indeed to all of this.
Thank you.

SingleSexSpacesInSchools · 23/06/2026 08:33

owlpassport · 21/06/2026 13:52

It depends. Probably not, as it is potentially risky and I don't personally believe in the potential benefits. But if I had a child where the alternative was they were incredibly unhappy and potentially suicidal, then perhaps. I don't think any of us know what we might do in worse case scenarios.

Look. They know it doesn’t work. We have very good proof. And they did it anyway. It’s a horrendous crime. I do compare in to Mengel. Directly.

https://open.substack.com/pub/grahamlinehan/p/they-knew?r=8hk512&utm_medium=ios

OP posts:
GatherlyGal · 23/06/2026 10:53

I agree with all your posts OP and I am shocked that the new Health Secretary has so quickly agreed to this.

We KNOW many kids grow out of gender incongruence when they go through puberty naturally and we KNOW that those who persist present EXACTLY THE SAME as those who don't.

Why on earth we think giving those kids drugs that will permanently reduce their IQ, damage their bones, make them infertile and take away their right to any functional sex life just to appease some very aggressive activists makes no sense to me.

There is no way of judging this trial a success. A "good" outcome is understanding that this treatment ruins many lives and so is finally stopped forever but what about the harm done to get there?

DisappearingGirl · 23/06/2026 19:49

If they called it the "Child Sex Change Trial" would anyone still be in favour of it?

I know puberty blockers alone aren't equivalent to a sex change, but they're the first step on that medical pathway. They're not really a full treatment in their own right.

Unless you believe that they give kids "time to think", as people used to claim. But I don't really believe that, especially as going through puberty itself seems to help many young people overcome dysphoria.

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