Understanding Your

Fifth Vital Sign

In addition to the 24-hour cycle of your circadian rhythm, the female body functions on a second internal clock

The Infradian Rhythm

The infradian rhythm is a natural, recurring cycle that lasts longer than 24 hours. For most women, this presents as a menstrual cycle, which typically lasts about 28 days. This cycle includes four distinct phases:

Menstrual - Follicular - Ovulatory - Luteal

Understanding these phases can help you align your lifestyle, work, and fitness routines with your body's natural rhythms for better health and well-being.