Frequent Periods in Teenagers
Teen girls don't always have regular periods, particularly when they first start menstruating. Over time, however, most girls experience regular periods that occur, on average, every 21 to 45 days.
Read more →Teenage Health & Life: Puberty, Nutrition & Behavioral Growth
In teenagers, physical growth spurts and milestones of puberty are accompanied by psychological shifts that require parental guidance and proper nutrition.