Under Attorney-General and Minister for Justice, Women, and the Prevention of Domestic and Family Violence Shannon Fentiman’s new bill, a person will no longer be required to undergo sexual reassignment surgery to formally register a change of sex.

This means that men who ‘identify as women’ can change their legal sex with little more than some paper and a few strokes of a pen.

The implications for women and girls cannot be understated.

Such legislation (also known as a Self-ID law) will effectively allow men to self-identify into female-only activities, spaces, and services, including sports, prisons, bathrooms, and refuges.

Some of these men may...