Editor’s Note: This post was originally published March 2014 and has recently been updated and revised for accuracy and comprehensiveness.
It is estimated that up to 45 percent of female athletes in certain sports experience menstrual irregularity, also referred to as Athletic Amenorrhea. Within the last 20 years, our society has witnessed a significant increase in the level of athletic participation by women and as a result, women are more aware of the changes experienced in their menstrual cycle.