1. Approximately 35-50% of women experience cramps during menstruation. At least 10% of women suffer from cramps so intense that they cannot handle their normal range of activities.

2. During menstruation, women produce more testosterone which can stimulate sexual arousal.

3. Studies show that the menstrual cycle lasts 28 days, but cycle lengths can range from 21-35 days. And the millions of women on Glow menstruate approximately every 29 days. 

4. With every menstrual cycle a woman’s body prepares for a potential pregnancy, whether or not that is her intention.