May/June 2010 ISSN-1059-65-18 Volume 23 Number 3
By Frank Hubbell, DO
The menstrual cycle is an inherent part of human reproduction. It allows an ova (egg) to be made ready and released from the ovary, while at the same time preparing the uterus for the possibility of the arrival of a fertilized egg. This monthly cycle is controlled by an elaborate dance of hormones: estrogen, progesterone, luteinizing hormone, and follicle stimulating hormone.