Add Yahoo as a preferred source to see more of our stories on Google. 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.
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.