Since Danilo Enrique Noreña Benítez risked a definition, take this opportunity to comment on ( back ) the use and creation of such word only can come from someone ignorant enough as to believe that you adding the suffix _fobia to anything can already appoint a pathology; or, I think is more likely to be used only by way of mockery or irony with people who reject children. Fear the 40 children; who can be a disease ) It would be pedofobia, or best paidofobia. See: Paidofobia.
Ninofobia call the intolerance of some adults regarding annoying behaviors of children in enclosed spaces. In each case it remains to be seen if the problem is those adults, for being too delicate, very pesky and spoiled children, or their parents. It is a trend that started a few years ago with the prohibition of entry to minors in places of leisure. Currently offered free spaces of children in all kinds of commercial places.
