There is no such thing as a "pro-choice man". Men protect women and children ... sometimes at the cost of their own lives. There's no such thing as a "pro-choice boy", either. Boys aspire to be men.
No, these pro-choice creatures are neither boys nor men ... they are simply rutting animals (or demons), devoid of any trace of humanity. I have more respect for most male animals, than I do for these pro-choice creatures.
Correction accepted!
I’d add that another reason there should be no “pro-choice” boys is that boys should be so busy getting covered in mud and setting things on fire that it never occurs to them to think about reproduction. (If they wonder where the new brother came from, they can learn, “He came from God, sweetie, just like you did.”)