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World Athletics' mandatory genetic test for women athletes is misguided. I should know

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World Athletics' mandatory genetic test for women athletes is misguided. I should know

World Athletics president Sebastian Coe recently announced a new rule for women athletes, requiring mandatory genetic tests to verify their biological sex.

This test must be done if athletes wish to compete in September’s World Athletics Championships in Tokyo.

World Athletics has said all athletes competing as women must have an SRY gene test to identify whether a male Y chromosome is present.

Any athlete whose test shows the presence of the SRY gene will be banned from competing in the women’s category in elite events.

Coe said the decision was made to ensure “the integrity of women’s sport” with World Athletics asserting:

The SRY gene is a reliable proxy for determining biological sex.

I argue the science does not support this overly simplistic assertion.

I should know, because I discovered the SRY gene on the human Y chromosome in 1990. For 35 years I have been researching it and other genes required for testis development.

A brief primer on testes and ovary development

If a human embryo has XY chromosomes, then at six weeks of development the SRY gene on the Y chromosome triggers a cascade of events involving some 30 different genes that lead to the formation of testes.

In simplest terms, the testes then produce hormones including testosterone, leading to male development.

However, if an embryo has XX chromosomes, a whole different group of genes come into play, ovaries form and the hormones produced result in a female.

We know making testes or ovaries requires a complex network of many interacting genes and proteins.

Some genes promote testis development while others promote ovary development.

Other genes either suppress ovary formation or antagonise testis formation.

Even once ovaries or testes are fully formed, we require other genes to maintain them. These genes don’t always function as expected, affecting the development of these organs.

How does this relate to sex testing of elite women athletes?

Changes or variants in the many genes that regulate the development of a testis or ovary can result in sex reversal or a non-functioning testis or ovary.

What do I mean by this?

If there is a change in the SRY gene so it does not function as usual, then a person can fail to develop testes and be biologically female. Yet they carry XY chromosomes and under the World Athletics tests they would be excluded from competition.

Other XY individuals may have a functioning SRY gene but are female – with breasts and female genitalia, for example – but have internal testes.

Importantly, the cells of these people are physically unable to respond to the testosterone produced by these testes. Yet, they would receive positive SRY tests and be excluded from competition.

At the 1996 Olympic Games in Atlanta, eight of 3,387 women athletes had positive test results for a Y chromosome. Of these, seven were resistant to testosterone.

The SRY test isn’t cut-and-dried

World Athletics asserts the SRY gene is a reliable proxy for determining biological sex. But biological sex is much more complex, with chromosomal, gonadal (testis/ovary), hormonal and secondary sex characteristics all playing a role.

Using SRY to establish biological sex is wrong because all it tells you is whether or not the gene is present.

It does not tell you how SRY is functioning, whether a testis has formed, whether testosterone is produced and, if so, whether it can be used by the body.

Other problems with the SRY testing process

World Athletics is recommending all women athletes take a cheek swab or blood sample to test for the presence of SRY.

Normally, the sample would be sent to a lab that would extract DNA and look for the presence of the SRY gene.

This may be easy enough in wealthy countries, but what is going to happen in poorer nations without these facilities?

It is worth noting these tests are sensitive. If a male lab technician conducts the test he can inadvertently contaminate it with a single skin cell and produce a false positive SRY result.

No guidance is given on how to conduct the test to reduce the risk of false results.

Nor does World Athletics recognise the impacts a positive test result would have on a person, which can be more profound than exclusion from sport alone.

There was no mention from World Athletics that appropriate genetic counselling should be provided, which is considered necessary prior to genetic testing and challenging to access in many lower- and middle-income countries.

I, along with many other experts, persuaded the International Olympic Committee to drop the use of SRY for sex testing for the 2000 Sydney Olympics.

It is therefore very surprising that, 25 years later, there is a misguided effort to bring this test back.

Given all the problems outlined above, the SRY gene should not be used to exclude women athletes from competition.

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NCAA Volleyball Regional Schedule Set

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December 8, 2025

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BLOOMINGTON, Ind. – The fourth-seeded Indiana volleyball team (25-7, 14-6 B1G) will play in the Sweet 16 for just the second time in program history. The NCAA announced start times and dates for next week’s regional semifinals on Sunday (Dec. 7) afternoon. The Hoosiers will play top-seeded Texas at Gregory Gymnasium on Friday (Dec. 12) afternoon at Noon ET on ESPN.

 

Following the greatest regular season in program history, IU was awarded a top-16 national seed and the chance to host the opening two rounds of the NCAA Tournament. The Hoosiers made quick work of their first two matchups, sweeping Toledo and fifth-seeded Colorado in Bloomington to advance to the Sweet 16.

 

IU is one of five Big Ten programs remaining in the NCAA Tournament. Of the 16 schools left in the big dance, IU is one of two teams (Cal Poly) that didn’t make the big dance last year. The Hoosiers have already set a single-season program record for wins (25) and will attempt to advance to the regional final for the first time in program history.

 

The other matchup in the Austin Regional will pit second-seeded Stanford and third-seeded Wisconsin against each other. Their match will begin 30 minutes after the conclusion of IU’s. The winners of both regional semifinals will meet on Sunday (Dec. 14) afternoon for a spot in the national semifinals in Kansas City.



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Louisville volleyball NCAA Tournament bracket, Texas A&M vs UofL game

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December 8, 2025

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Dec. 6, 2025Updated Dec. 7, 2025, 6:08 a.m. ET

After defeating Marquette 3-2 in the second round of the NCAA Volleyball Tournament on Saturday night, No. 2 Louisville will travel to Lincoln, Nebraska, and take on No. 3 Texas A&M in the Sweet 16 at 7 p.m. Friday.

This will be the Cardinals’ seventh consecutive regional appearance but first with Dan Meske as head coach.

Here’s everything you need to know to keep up with the match from home:

No. 2 seed Louisville versus No. 3 seed Texas A&M will be broadcast live on ESPN or ESPN2.

Authenticated subscribers can access ESPN2 via TV-connected devices or by going to WatchESPN.com or the WatchESPN app.

Those without cable can access ESPN2 via streaming services, with Fubo offering a free trial.

Buy Louisville volleyball tickets here

After defeating Marquette, UofL will play Texas A&M in the Lincoln, Nebraska, Regional Friday at 7 pm. Here’s a look at the tournament schedule:

  • First and second rounds: Dec. 4-6
  • Regionals: Dec. 11-14
  • Semifinals: Dec. 18 at T-Mobile Center in Kansas City, Missouri
  • Championship: Dec. 21 at T-Mobile Center in Kansas City, Missouri



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The Omaha World-Herald’s Nebraska All-Class volleyball teams

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December 8, 2025

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Men’s T&F Opens Season at Diplomat Open

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5 hours ago

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December 7, 2025

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Lancaster, PA (December 6, 2025) – The DeSales University men’s track & field team opened the 2025-26 indoor T&F season competing at the Diplomat Open at Franklin & Marshall College on Friday.

The Bulldogs posted 10 MAC qualfying times/marks in the meet.

Among the qualifying times were junior Bryce Guthier taking second in the 400-meters with a time of 52.08. It is the fifth fastest time in indoor history.  Senior Davis Trump also qualified in the 5K with a time of 16:20.32.

In the field events, DSU posted eight qualfying marks. Junior Weston Simak qualified for the MAC Championships in both the long jump (6.52m) and triple jump (13.72m). His triple jump mark was the second best in team history.  First-year Luke Heimann also qualfied in the triple jump (11.86m).

Junior Jonathan Castronovo took home first place in the long jump with a mark of 6.58m, the second best long jump in team history.

First-year John Amoretti qualified in the shot put (12.33m), seniors Jonathan Eudja and Giovanni Wellington qualified in the weight throw with marks of 14.85m and 14.23m. First-year Ryan Rodriguez also quallified in the weight throw (11.89m).

The Bulldogs won’t return to action till the New Year at the Blue and Grey Invitational on Jan. 17th.

 



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Women’s Track & Field Turns in Multiple High Marks to Begin Season at Cornell

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December 7, 2025

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RESULTS

ITHACA, N.Y. –

The Ithaca College women’s track & field team opened its 2025-26 season over the weekend as the Bombers made the short trip across town to compete in the Greg Page Relays hosted by Cornell University on December 5-6.

Lola Gitlin posted a time of 10:25.57 in the 3000-meter run to finish third overall.

Rachel Larson was a fourth place finisher with a time of 8.58 seconds in the 60-meter hurdles. That time is currently No. 1 in Division III after the opening weekend of the season.

Aynisha McQuillar took fifth in the 200-meter dash in a time of 26.61 seconds. McQuillar also ran in the 60-meter dash and posted the 11th fastest time in DIII during the prelim with a performance of 7.78 seconds.

Lyla Powers was fifth in the 500-meter dash with a time of 1:21.75.

Lily Seyfert claimed fifth in the shot put with a heave of 12.78 meters, which is currently ninth in the nation.

Bree Boyle and Erin Eastwood each cleared 3.54 meters in the pole vault, which is tied for 11th on the Division III performance list.

Alexis Brown turned in a leap of 11.02 meters in the triple jump for the 17th best mark in the country.

Ithaca is off for the remainder of 2025 and will return to Cornell on January 10 for the Southern Tier Invitational.

 



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Men’s Track & Field Opens Indoor Season at Cornell Greg Page Relays

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5 hours ago

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December 7, 2025

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RESULTS

ITHACA, N.Y. –

The Ithaca College men’s track & field team opened its 2025-26 season over the weekend as the Bombers made the short trip across town to compete in the Greg Page Relays hosted by Cornell University on December 5-6.

Anik Vossschulte claimed third in the 200-meter dash in a time of 23.32 seconds, while Jacob Antilety was seventh at 23.71 seconds.

Matt Lokshin posted a time of 8.65 seconds in the 60-meter hurdles to place third in the event. Aidan Irwin took fourth in the high jump with a mark of 1.70 meters.

Quinten Lewis posted a mark of 13.73 meters in the triple jump to place fourth and Sebastien-Oliver Lacrete was sixth at 12.68 meters, while Evan Cherry secured fifth in the long jump with a leap of 6.84 meters.

IC’s 4×400-meter relay team of Damian Simmonds, Griffin Lupes, Noah McKibben and George Nilson placed sixth in 3:34.49.

Luke Ellor finished sixth in the shot put with a mark of 14.40 meters.

Three Bombers finished within the top eight in the 500-meter dash as Brad Kellogg was sixth in 1:09.73, Peter Tysiak followed in seventh with 1:10.74 and Matthew DeJulio was next at 1:11.59.

Kaiden Chandler and Luke Ferrer posted times of 4:41.29 and 4:53.44 in the mile to finish in seventh and eighth.

Raf Campanile was seventh in the pole vault with a clearance of 4.25 meters.

Ithaca is off for the remainder of 2025 and will return to Cornell on January 10 for the Southern Tier Invitational.

 



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