Hello, thanks for visiting HCM. Because your period is more than seven days now (nine days), you have to consult a gynecologist because there are many problems related to this: uterines polyps, cervical polyps, thyroid problems, infections or a disfunction bleeding due to an hormonal disbalance (Estrogen and progesterone are two very important hormones. These hormones play an important role in ovulation, the time when the ovaries release an egg). Dysfunctional uterine bleeding (DUB) most commonly occurs when the ovaries do not release an egg. Changes in hormone levels cause your period to be later or earlier and sometimes heavier than normal. You have to consult to gynecologist to be examined.