Menstruation usually begins around two years after breast development, often between the ages of 12 and 13. This first period is called menarche. The menstrual cycle typically spans about four weeks, ...

Having a period is completely normal. It’s also totally normal to have a lot of questions when it comes to the variety of products that are available. A simple stroll down the period products aisle ...

No matter what brings a woman to the doctor’s office, she can expect one question without fail: “When was the first day of your last menstrual period?” Dr. Alla Vash-Margita, chief of pediatric and ...

Girls in the United States are getting their periods earlier, and it's taking longer for them to become regular, according to a study. The age at which women get their first period, known ...