Women more prone to period pain include those with endometriosis, uterine fibroids, uterine adenomyosis, pain with sexual intercourse and heavy blood clots.

Your uterus is basically one big muscle (the shape of a pear) which starts to contract, causing cramping, that helps the lining of the uterus shed during a period.

If your blood flow is heavy and leaves the uterus quickly blood clots are not usually created.

There are steps you can take during your period to prevent TSS. Tampons should be changed every 4 to 8 hours.

Even while you sleep, tampons should be changed every 4 to 8 hours.

Most women have regular monthly periods coming every 28 days lasting 3-4 days.

Cramps occurring just before and 1 to 3 days during a period are completely normal.

The most common causes of irregular, heavy and blood clot periods include.

The amount of time you have vaginal bleeding during your period can vary lasting from 4 to 7 days. Periods lasting longer than 7 days are considered abnormal bleeding.

Normal blood flow requires 3-6 pads or tampons per day. The average woman only bleeds about 3 ounces during an entire period.

Period red flags will include issues related to how long or frequent between periods. The quality and amount of blood flow.

In order to know what is abnormal you first need to know what is normal.