The novel the movie was based upon used male infertility. Movie switched that and pinned the infertility on females. That said, infertility on the man or woman

The novel the movie was based upon used male infertility. Movie switched that and pinned the infertility on females. That said, infertility on the man or woman doesn't matter much in a "we want to make babies scenario." The end result is the same: a world like that in The Children of Men.