It’s not that surprising. It’s just a second order effect of an important environmental factor at a critical development stage. Hormones valances in the womb,

It’s not that surprising. It’s just a second order effect of an important environmental factor at a critical development stage. Hormones valances in the womb, as you mentioned, are likely a driver of homosexuality. And having kids changes the hormone balance, making some arrangements of sons and daughters more likely to be gay.