In order to know what is abnormal you first need to know what is normal.

Here’s what’s normal with a menstrual cycle?

• Age of onset 11-12y ranging from 8 to 14y
• Average frequency 32 days but 21-45 days is considered normal
• Length 2-7 days
• Normal blood flow requires 3-6 pads or tampons per day
• Normal amount of blood is 4-12 teaspoons each cycle.

Normal symptoms of a period include cramps with lower abdominal or back pain, bloating, tender breasts, mood swings, food cravings and headaches. Gas and diarrheas are also normal symptoms a couple days before and during your period.