Talk:Monster Girls/@comment-5624349-20150605030623/@comment-12776-20150605032322

It's more of the result of grand setting, a part that she's yet gain enough power to fix it (like their predatory instinct).

In meta-sense, should they capable of have son, they will just keep mating with their own kind, and humans will encounter them at much lower rate (and some seclusive monsters will never leave their community at all). Keep in mind that MGE is still hentai work, so that isn't a good thing.