By the natural order, men cannot bear children themselves because they are not equipped physically to achieve such feat or have you seen a man with a womb? Well except the man magically possess womb, he cannot concieve not to talk of birthing a child.

Well well speaking of magic, Scientists of today are ready and willing to tamper with the natural order at will practically because they've conducted several researches on how to make things that are naturally impossible possible. Transgender and plastic surgery comes to mind.

in a nutshell, Naturally it's impossible for men to give birth but with rate of technological advancement and scientific researches, it can be possible in a no distant time if it's not already possible by now.