Lunar and Menstrual Phase Locking

Journal: American Journal of Obstetrics and Gynecology

Copyright ©1980 AM. J. OBSTET. GYNECOL. 137:834

* This paper was later replicated in a subsequent study/paper published in the journal Human Biology (1987) click here.



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Dr. Winnifred Cutler's 1980 study of the lunar cycle's influence on menstrual cycles


The lunar cycle and a fertile menstrual cycle are the same, 29.5 days... A real phenomenon exists"

By Winnifred B. Cutler, Ph.D.