Understanding Your Menstrual Cycle
A menstrual cycle is measured from the first day of one period to the first day of the next. While the average cycle is 28 days, it is normal for it to range from 21 to 35 days in adults and 21 to 45 days in teens.
The Phases of the Cycle
Each cycle consists of two main phases: the follicular phase (before ovulation) and the luteal phase (after ovulation). Tracking your cycle helps you understand your body's natural rhythm and can be a vital indicator of your overall health.
Predicting Your Fertile Window
Ovulation typically occurs about 14 days before your next period begins. Your "fertile window" includes the day of ovulation and the 5 days leading up to it. Knowing these days is crucial whether you are trying to conceive or trying to avoid pregnancy.
Benefits of Tracking Your Period
Tracking your period can help you identify irregularities, manage PMS symptoms, and provide valuable information to your doctor. It allows you to plan events around your cycle and stay prepared. Our calculator uses your historical cycle length to provide accurate predictions for your future dates.