Why do women have periods when most animals don't?

madmen4pads Full Member Posts: 20	Why do women have periods when most animals don't? Jul 22, 2017 16:54:36 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by madmen4pads on Jul 22, 2017 16:54:36 GMT -5 ......'can understand our lineage with Primates, but still don't understand why a bat?....... Why do women have periods when most animals don't?