These past few months I have been getting my period late, almost at the end of the month or early. Usually it would last 3-5 days but after February it has begun to become lighter to the point I don't need a pad its almost spotting. Then in the last month I don't even remember if I did get my period because its just small amounts of brownish blood for a day or two. I read that this usually means your pregnant, but I'm a virgin and the only thing I've done is masturbate. I am very worried about this and at times think what if I'm begining to enter menopause, but I'm only 18? If you know anything please reply I'm really worried.