There is an excellent 30 page historical look at the use of cannabis for menstrual pain by Dr. Ethan Russo. You can find it at:
http://www.freedomtoexhale.com/russo-ob.pdf
You might also go to Google Scholor and enter the search terms cannabis and mentrual pain and you'll be amazed at how much material is there.
*
Marijuana use and driving
Hindrik W.J. Robbe
Institute for Human Psychopharmacology, University of Limburg,
P.O. Box 616, 6200 MD Maastricht, The Netherlands
http://mojo.calyx.net/~olsen/HEMP/IHA/iha01206.html*
A REPORT OF THE NATIONAL COMMISSION ON GANJA
TO
Rt. Hon. P.J. PATTERSON, Q.C., M.P. PRIME MINISTER OF JAMAICA
http://www.rism.org/ncg.html
*
The United Kingdom Parliament
House of Lords
Science and Technology - Ninth Report
CANNABIS: THE SCIENTIFIC AND MEDICAL EVIDENCE
http://www.publications.parliament....h/151/15101.htm