Lawmakers made laws to stop men from competing in women's sports after seeing it happen. Twenty-seven states passed these laws to give girls equal opportunities. However, a new federal bill could change this.

Alliance Defending Freedom has been fighting for women's sports for a decade. They helped a client, Selina Soule, who had to compete against males and lost.

President Donald Trump signed an order that recognized the difference between males and females in sports.

The Protect College Sports Act has a major flaw: it doesn't protect women's sports.

Alliance Defending Freedom won a case at the Supreme Court, which ruled that states can keep men out of women's sports.

Before this win, many girls lost opportunities to boys in sports. In West Virginia, one boy took a state championship from a girl.

The author is concerned about the Protect College Sports Act because she has experience with these cases.

Lawyers often use unclear language to win cases. Twenty years ago, no one thought they would have to define what a woman is.

Sen. Ted Cruz wants to protect college sports, but the bill's language is too loose and could be misused by judges.

Trump urged Congress to pass the Protect College Sports Act before recess.

The bill sets national rules for college sports and limits states' ability to make their own rules. This could undo state laws that protect women's sports.

Alliance Defending Freedom has warned Congress about the bill's risks, but their concerns have been ignored.

The bill seems to prioritize men's sports over women's sports. The main goal is to fix issues in men's football, not to protect women's sports.

The bill's authors do not intend to harm women's sports, but the language is still too loose.

Republican senators filed an amendment to stop the bill from overriding state laws that protect women's sports.

There should be no ambiguity in the bill's language. The stakes are too high for girls' rights in sports.

The rights of girls should not depend on how a court interprets the bill's language. Most Americans agree that men should not compete in women's sports.

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The fix is simple: make the language clear and ensure that state laws and Title IX are protected.

We just won a landmark ruling for women's sports. Let's not undermine it with a flawed bill.

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A bill that claims to protect sports should protect the girls who play them. The language should be clear and not preempt state laws.

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Kristen Waggoner is the CEO of Alliance Defending Freedom. Follow her on Twitter.