Perimenopause is the time when a woman's body begins its shift into menopause, and it comes with a number of not-so-fun changes. One of the most surprising is irregular menstrual periods. While ...

Menstruation, or a period, occurs when the lining of the uterus exits the body through the vagina. The duration of a person’s period can vary. Generally, however, a period will last around 4–8 days.

Irregular periods are a telltale symptom of starting the menopause transition. Other menopause-related symptoms will occur throughout the month and not just before a period, unlike PMS symptoms, due ...