Um, you’re aware that Title IX was passed in 1972, and so was, like, your grandmother’s feminism?
Indoctrinate young minds to think there are women, too? Read and talk to your son or don’t, makes no difference to me, but it’s your responsibility to protect your kid from the distortions of the world, NOT the world’s responsibility to ensure your son never encounters something mildly confusing. (Do you see no hypocrisy here?)