Menstrual cycles do not have to be exactly the same every month. Learn how stress, sleep, lifestyle changes, and other factors may influence your cycle.

The menstrual cycle consists of four phases: menstruation, follicular phase, ovulation, and luteal phase. This guide explains in detail what happens in each phase, including hormonal changes and common symptoms.

At times, it can be difficult to feel certain about where you are in your cycle. This article explores why uncertainty occurs and how consistent tracking can help you gain clarity.

How does the menstrual cycle affect energy levels? Learn day-by-day performance changes and how to plan workouts and work scientifically.