Is It a Fascinating Story About Female Fertility?

The pre christian, imagined literary world is often can seem very strange to us from a modern perspective. A woman's perceived fertility was linked to her bladder capacity. So what these ulster women are threatened by is the perceived fertility of this foreign woman who has come to ireland. And so just you know, knowing the thought process is behind something that initially seems utterly bazarre. This is telling us something about mediaeval irish ideas about physiology and female fertility.