Hi doc. I just 21 this Tuesday. I wasnt sexually active a month back as well. But i dont know - my periods were due on the 29th may- and it finally came on 3rd. And I was shocked that i had no cramps (since da past 6 years i am having cramps on the first day of periods) and not only that, there was black discharge only. And very little. And it happened on the 3rd evening thats all. Now there s nothing happening and i am scared. This is the first time i am experience such extreme scanty periods. Please help.