My niece to me the other day and she said that a week before her period she had some light bleeding for about 3 or 4 days (her norm. period is a week long like mine and her mothers). She came to me again today and said that she didn't start her period and that she had some light cramping, loss of appetite, gained three pounds, going to the restroom a lot, and has depression spouts a lot. What could be wrong with her?