Possibly. It could very well be for the MC specifically. He's also different compared to majority of the other superhumans out there in status, as a greater spawn of a Numbered Monster.
Which is why I've said for months that I think it could be possible to breed with monsters but possibly not with humans or even superhumans. It doesn't contradict what Hero said to tiffany, much, while also still being consistent with the Minyak scene.
It's totally not because I have a weird, unbearable desire to impregnate the 4th. That thought has never entered my mind at all. I swear on my memory mommy's life.