Period time: Time is a fundamental concept

Time is a fundamental concept in both science and philosophy, encompassing the past, present, and future. Whereas, a period is a specific span within time, marked by a start and an end point. Periods usually last around 3–7 days. During this time, a person who is menstruating bleeds from the vagina. They may also experience other symptoms, such as cramping. Why are periods/menstruation cycles irregular in some women? For some women, the time between periods and the amount of blood shed during menstruation vary considerably. How long does a first period last? It’s normal for a first period to last 2–7 days and be very light. In fact, you might only experience some red or brown spotting during your first periods. In the US, the average age when people get their first periods is 12–13. Ninety-eight percent of people who get periods start having them by the time they’re 15. Health care providers typically recommend that teenagers have their first OB-GYN visit when they’re 13–15. Most teenagers won’t ...