I second you doing a forum search on the topic. I can also recommend Uzzi Reiss, M.D.'s book,
Natural Hormone Balance, as well as the Women to Women website,
www.womentowomen.com.
Sugar seems to contribute greatly to menstrual cramp pain, so staying away from it makes good sense. Krill oil has been very helpful for some of my clients in just about completely eliminating their menstrual cramps. It worked the very first month.