I'd like to share with you my recent discovery. Historically I have had irregular cycles with a lot of pain (the worst pain would precede heavy flow).
This last month, after reading several forums, I decided to try oxygenated water as well as a hydrogen peroxide bath. I did both the same day as starting my cycle, in fact I only used about 2/3 quart of 3% hydrogen peroxide, not 3 bottles as suggested.
Much to my surprise I had no pain, and the flow of the cycle was extremely even. I told my naturopath about this, he was very excited to hear it!