There is a lot of information out there about the possibility that menstruation could just be another way that the body gets rid of toxins and when you are no longer toxic you will no longer bleed. This is a good article to read http://www.waldorfhomeschoolers.com/menstruation.htm After eating raw foods for some time many woman still ovulate and have children but no longer bleed. This shows that you do not need to menstruate to have children. As you read more about the raw diet you will find information on this. Good Luck