What are the signs of ovarian cancer in a young teenager?

Extreme rare: Ovarian cancer is so rare in teens that I hesitate to even say there are symptoms that are common to it, because it just never happens. If it did ever occur, symptoms would be similar to those of older women developing it. If you know of a teen having pelvic or abdominal symptoms of some sort, I would bet any amount of money it has a different cause than ovarian cancer and the should see doctor.