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Feminism: Sex and gender discussions

Transgender women to be banned from all female Olympic events

383 replies

Misla · 10/11/2025 11:54

About time!!

IOC likely to announce new policy early in new year after findings of a scientific review about the permanent physical advantages of being born male

The International Olympic Committee is set to announce a ban on transgender women in female competition early next year after a science-based review of evidence about permanent physical advantages of being born male.

The IOC’s guidance to Olympic sports has until now been that transgender women can compete with reduced testosterone levels but leaves it up to individual sports to decide. That is now set to change under its new president, Kirsty Coventry, who has promised to protect the female category.

The committee’s medical and scientific director, Dr Jane Thornton, last week presented to IOC members at a meeting in Lausanne the initial findings of a science-based review into the issues of transgender athletes and athletes with differences of sexual development (DSD) competing in female sport.

Free-to-read link: https://archive.is/kGpyI

Transgender women to be banned from all female Olympic events

Transgender women to be banned from all female Olympic events

IOC likely to announce new policy early in new year after findings of a scientific review about the permanent physical advantages of being born male

https://www.thetimes.com/sport/olympics/article/olympic-ioc-transgender-athlete-ban-womens-sports-zhlpfll3b

OP posts:
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ItsCoolForCats · 12/11/2025 13:54

Apologies for the ridiculous article, but it contains good news. Nike will no longer be funding a study on "trans girls" competing in female sport

https://www.outsports.com/2025/11/11/24121287/joanna-harper-trans-women-athletes-research-nike/?fbclid=Iwb21leAOBcFdjbGNrA4FwUWV4dG4DYWVtAjExAHNydGMGYXBwX2lkDDM1MDY4NTUzMTcyOAABHp9fDdIe_mktQhYjj1MmkltXViWerTaXaIIOTENnzZSh9ORZWncZyGBvyS3g_aem_-mJrLxNQ1sUGBxt25qv9yQ

SabrinaThwaite · 11/11/2025 23:03

BundleBoogie · 11/11/2025 20:54

She seems to be an extreme example of how badly wrong people’s brains can go. I’d be fascinated are to know what happens.

Is it the severe mental strain of holding so many conflicting ideas at the same time?

She found a remarkably lucrative grift.

I can’t decide whether she really has bought into the whole trans thing or whether she sees a business opportunity that is ripe for exploiting (to the max).

SabrinaThwaite · 11/11/2025 20:56

carpedaim · 10/11/2025 20:11

Athletes aren't allowed to take testosterone - it's not just about staying within the limit.

Transmen (females) can take T (anabolic steroid - a banned substance) if they have a Therapeutic Use Exemption and under medical supervision. So they can take part in men’s / open competitions.

BundleBoogie · 11/11/2025 20:54

SabrinaThwaite · 11/11/2025 20:34

It’s hard to think that Webberley actually has a medical degree.

Let’s hope that Webberley doesn’t have to be relied upon to explain the need for prostate exams to the likes of Gavin.

She seems to be an extreme example of how badly wrong people’s brains can go. I’d be fascinated are to know what happens.

Is it the severe mental strain of holding so many conflicting ideas at the same time?

SabrinaThwaite · 11/11/2025 20:34

Arran2024 · 10/11/2025 17:31

It’s hard to think that Webberley actually has a medical degree.

Let’s hope that Webberley doesn’t have to be relied upon to explain the need for prostate exams to the likes of Gavin.

Transgender women to be banned from all female Olympic events
Allergictoironing · 11/11/2025 20:09

Helleofabore · 11/11/2025 20:04

Not me. I don’t think I have ever used the term sex change surgery on MN.

Apologies, I meant to tag @MyObservations

Helleofabore · 11/11/2025 20:04

Allergictoironing · 11/11/2025 19:30

I think the point here is that there have been so very many terms used over time, and so very many different types of trans women all the way from declaring themselves as female, through living (as best they can) as a woman, to undergoing surgery. It can be very hard indeed to keep up with all the types & names, I assumed that @Helleofabore was trying to say that what is now called gender reassignment surgery was commonly called sex change surgery in the past.

Yes it may have been a clumsy term, but anyone not up to date with this subject may well not realise that these terms as commonly used at the time mean approximately the same thing.

Not me. I don’t think I have ever used the term sex change surgery on MN.

Allergictoironing · 11/11/2025 19:30

HildegardP · 11/11/2025 18:53

Wishful thinking is not "facts". "Sex change surgery" is a physical impossibility despite that antiquated term having once had some currency.

I think the point here is that there have been so very many terms used over time, and so very many different types of trans women all the way from declaring themselves as female, through living (as best they can) as a woman, to undergoing surgery. It can be very hard indeed to keep up with all the types & names, I assumed that @Helleofabore was trying to say that what is now called gender reassignment surgery was commonly called sex change surgery in the past.

Yes it may have been a clumsy term, but anyone not up to date with this subject may well not realise that these terms as commonly used at the time mean approximately the same thing.

HildegardP · 11/11/2025 19:00

@Helleofabore Interesting link, thanks. Not an entire surprise given that males experience three main surges of androgenisation - in utero, neonatal, & pubertal.

HildegardP · 11/11/2025 18:53

MyObservations · 10/11/2025 22:03

I'm just giving you the facts. BTW, gender reassignment is sex change surgery.

Wishful thinking is not "facts". "Sex change surgery" is a physical impossibility despite that antiquated term having once had some currency.

EmpressaurusKitty · 11/11/2025 18:39

I can’t wait for the debate with Helen Joyce. If it happens.

ThatCyanCat · 11/11/2025 18:29

BundleBoogie · 11/11/2025 17:58

I tend to take her furious posts as a good sign that the world is righting itself.

When she’s happy there’s normally something evil happening.

She's completely off her rocker and now all she's looking for is engagement.

BundleBoogie · 11/11/2025 17:58

Ereshkigalangcleg · 11/11/2025 14:55

When isn’t she 😂

I tend to take her furious posts as a good sign that the world is righting itself.

When she’s happy there’s normally something evil happening.

Helleofabore · 11/11/2025 17:56

Arran2024 · 11/11/2025 17:27

There will never be definitive research. There are a few people doing small scale stuff but at the end of the day, who would be funding large scale research and why? It's not going to happen.

Secondly, we can't guarantee that trans athletes won't reduce their performance in the tests in order to give the research the results they want.

So trans activists will continue to claim we can't ban trans women because there is no research. And they will seize on tiny research studies that show what they want.

Instead, we should ignore them and focus instead on the data from real athletes - comparing race times etc.

All this stuff about grip strength etc is irrelevant against the bigger picture of actual results.

I agree. No large scale research will ever be done. I doubt that any research directly on athletes will be done. For a start, they would have to find a group of healthy male athletes who has received puberty blockers from before puberty started, that alone is going to be hard enough to find. However, there may well be some rare athletes competing that can be tracked.

Instead, what I suspect will be more likely to happen will be academic papers giving expert opinion on what physical advantages will not be prevented with blocking puberty.

I think that the discussion for now had settled on 'male puberty' as a distinction for discussions and in the future it will be expanded. I have noticed that the IOC news items yesterday mention 'puberty'.

BundleBoogie · 11/11/2025 17:50

Talltreesbythelake · 11/11/2025 13:33

Not really true, though. A male child will be weakened, unable to grow into their genetic potential. A female child will also be damaged. Perhaps stronger than their female cohort but how long will that last? Will they keep their health or will osteoporosis set in early due to low oestrogen levels? There are lots of health drawbacks that a lovely beard and biceps doesn't protect them from.

A weakened and castrated boy is not the same as a girl.

logiccalls · 11/11/2025 17:45

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Arran2024 · 11/11/2025 17:27

There will never be definitive research. There are a few people doing small scale stuff but at the end of the day, who would be funding large scale research and why? It's not going to happen.

Secondly, we can't guarantee that trans athletes won't reduce their performance in the tests in order to give the research the results they want.

So trans activists will continue to claim we can't ban trans women because there is no research. And they will seize on tiny research studies that show what they want.

Instead, we should ignore them and focus instead on the data from real athletes - comparing race times etc.

All this stuff about grip strength etc is irrelevant against the bigger picture of actual results.

WearyAuldWumman · 11/11/2025 17:06

Misla · 11/11/2025 14:24

Yes, sorry! Was getting them mixed up. For sure Semenya has fathered children. With his actually female wife.

I find it interesting to contrast Semenya with the Austrian skier Erik Schinegger. He also fathered children and tried to compete in the men's event when he found out the truth about himself.

It looks like he'd have had a good chance of winning, but he was forbidden from changing to the men's category after winning in the women's, I recall.

WandaSiri · 11/11/2025 16:40

Helleofabore · 11/11/2025 14:25

What is interesting is that those who have an interest in protecting women's sports are already noting evidence about male bodies that may be unaffected by suppression of puberty.

Interesting research and important when discussing inclusion of male athletes who have not experienced male puberty / androgenisation in female sports.

https://onlinelibrary.wiley.com/doi/10.1002/ajhb.70155

When and Why Do Sex Differences in Handgrip Strength Emerge? Age-Varying Effects of Testosterone From Childhood to Older Adulthood

Jun Seob Song, Heontae Kim, Myungjin Jung

First published: 06 October 2025

ABSTRACT

Objectives : On average, males are stronger than females, with hormonal changes during puberty often cited as a contributing factor to this advantage. However, not all evidence consistently supports this explanation. The purpose of this study was to determine (1) when sex differences in handgrip strength and testosterone emerge, and (2) whether testosterone mediates the sex difference in handgrip strength and if this effect varies across age.

Methods : Time-varying effect modeling (TVEM) was used to examine age-specific trajectories of handgrip strength and testosterone, and to assess whether these trajectories differed by sex. A moderated mediation analysis was conducted to test whether the sex difference in handgrip strength was mediated by testosterone level, and whether this effect varied across age. Data were drawn from the 2011–2012 and 2013–2014 cycles (N = 11,035) of the National Health and Nutrition Examination Survey.

Results : TVEM indicated that the sex difference in handgrip strength emerged at age 8, whereas the sex difference in testosterone level became evident at age 10. A moderated mediation analysis revealed that testosterone mediated the association between sex and handgrip strength, and this effect decreased with age (IMM = −0.18, 95% CI: −0.20, −0.16).

Conclusion : Sex difference in handgrip strength appears to be driven, in part, by the testosterone levels. However, this difference can be observed even before the onset of puberty, which suggests that testosterone alone does not fully explain the sex difference in muscle strength. This finding may have important implications for decisions regarding inclusivity and fairness in sports that emphasize strength.

Thanks for that, Helleofabore - I will save that link.

Helleofabore · 11/11/2025 16:31

RoamingToaster · 11/11/2025 14:26

Obviously puberty is important but there are differences in males and females well before then. Baby boys and girls have different growth charts for a reason. Boys are bigger. Baby boys also get a "mini puberty" a few months after birth where testosterone rises. So be careful when people tell you the boys and girls have a similar level when they're 5 or something as it's not looking at the full picture. These early differences have an effect going forward in a boy's life.

Yes. Greg Brown and team have been working their way through reviewing USA child sports results. I have stashed the links in the archive thread.

https://www.mumsnet.com/talk/womens_rights/5142027-save-female-sports-evidence-thread?page=4

The thread also has links to the Australian, Greek and I think a Danish child sports review as well.

There has been consistently a difference between female and male children sports performances from around 6 years old. Plus a disc golf advantage from 10 years old as per Tommy Lundberg's recent research.

Page 4 | Save female sports evidence thread | Mumsnet

I am conscious that the Break it Down for me thread is nearly full. I am therefore hoping that this thread can be an archive thread just for the sport...

https://www.mumsnet.com/talk/womens_rights/5142027-save-female-sports-evidence-thread?page=4

ZoeCM · 11/11/2025 16:16

As more and more organisations return to dividing sport by sex rather than gender, professional trans athletes will eventually become a thing of the past. I predict TRAs will try to use that to their advantage. They'll hope that Lia Thomas, Laurel Hubbard, etc. will fade from public consciousness - and when people do bring them up, they'll say, "You're still going on about Lia Thomas? Christ, you're stuck in 2022. Do you have any idea how much hormone therapy has advanced since then?"

ZoeCM · 11/11/2025 16:01

Hormonal changes aren't enough to level the playing field. A lot of the differences in male and female bodies are the result of DNA.

Helleofabore · 11/11/2025 15:32

BundleBoogie · 11/11/2025 13:12

Yes. This was what I objected to:

MyObservations · Yesterday 14:36
In part because of the fake information that was being out around. The simple fact is that if someone has gender reassignment before puberty, they take on the strengths and weaknesses of their new gender. If they have gender reassignment after puberty, they take with them the strengths and weaknesses of their former gender.

"The simple fact is that if someone has gender reassignment before puberty, they take on the strengths and weaknesses of their new gender."

I agree Bundle and others, I would love to see the evidence that supports this claim. Because, that does seem overly simplistic.

Perhaps as myobservations has said that they have been heavily involved in the topic for a long time, they might have some studies or papers that they can provide that show that a male child who has had their puberty suppressed before it even starts has the strengths and weaknesses that female people have.

I mean with the obvious exception of that male person never having to deal with menstruation impacts on the body or pregnancy. Which is actually a significant advantage that we are really only just starting to research properly.

Misla · 11/11/2025 15:20

centaury · 11/11/2025 14:39

I'm not sure this is true - it seems to be one of those things that has spread like wildfire on social media but is only a possibility, not a certainty. He has IVF-created children. Some men with 5-ard can father children with the aid of reproductive technologies, but not all. They may have been fathered by a donor. I'm not in the camp that says talking about this is off-limits (I think if he has fathered children it has relevance to his participation in female sport and to the appropriateness of people saying he "lives as" a woman.) But it is probably a bit unkind to make claims about his family and potential sterility when there is no confirmation.

Well he certainly hasn't mothered them. He has internal testes. And, from his appearance, does not appear to be non-responsive to androgens.

OP posts:
Helleofabore · 11/11/2025 15:01

Helleofabore · 11/11/2025 14:31

There is also this:

Trans girls grow tall: adult height may be unaffected by GnRH analogue and estradiol treatment. This is still an advantage that these males continue to have despite ‘puberty blockers’. I think this is where future studies will start to focus on these cases.

Lidewij Sophia Boogers, Chantal Maria Wiepjes, Daniel Tatting Klink, Ilse Hellinga, Adrianus Sarinus Paulus van Trotsenburg, Martin den Heijer,
Sabine Elisabeth Hannema

published: 06 June 2022

academic.oup.com/jcem/advance-article/doi/10.1210/clinem/dgac349/6603101

It is also important to note that Q-angles have been noted to be an osteological factor and if puberty suppression doesn't then impact on height and those femurs grow longer as per genetic coding, Q-angles will also remain another advantage that male people who have had their testosterone driven puberty completely suppressed before puberty will have.

Of course, how many pre pubertal male children are put on puberty blockers before any testosterone puberty has even started to impact their development. I would be hesitant to think that any research can be done on an individual to assess to what extent testosterone has impacted their body in puberty.

And if any male child has access to more testosterone than the testosterone range in healthy girls , then very strictly speaking, they have had a competitive benefit that was never available to a female athlete.

Obviously, more academic papers will come out about this and I will be interested to see the outcomes.

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