What It Means If Your Period Lasts For More Than A Week2021-06-30T13:56:07-06:00

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Wives tales that can help you get pregnant

What It Means If Your Period Lasts For More Than A Week

By: Suzannah WeissBustle
December 1, 2017

I learned in middle school health class that your period should last between two and seven days. But I very quickly learned this was just the ideal situation for most people — not what everyone actually experiences. My first period lasted nine days. So, how long should your period last? And if it lasts more than a week, how do you know if there’s a cause for concern or if you just have a longer-than-average period?

It is possible that a long period is just normal for you, as long as you’re not experiencing any troublesome symptoms. However, all the blood loss resulting from long periods can lead to anemia, Salli Tazuke, MD, Co-Medical Director with CCRM San Francisco, tells Bustle. If you’ve always had a long period, there’s probably nothing wrong, but you should get a blood count to make sure you’re not anemic. Getting enough iron from supplements or foods like spinach, red meat, and poultry can help prevent anemia.

If this is new for you, though, you should talk to your doctor. There could be an underlying issue. The reason your period lasts more than a week depends on whether it has always been that long or has suddenly gotten longer, says Tazuke. Here’s what it could be in each situation.

If It’s New:

1. Pregnancy

If it only happens once, a long period could be a result of an early miscarriage or a tubal pregnancy, which occurs outside the uterus, says Tazuke. See a doctor to rule out these possibilities.

2. A Missed Period

If you miss a period, your next one may be longer than usual because your uterine lining has spent a long time building up, says Tazuke. The causes of a missed period include stress, sleep disturbances, and changes in weight.

3. Blood-Thinning Medications

Medications intended to avoid blood clotting can also affect your menstrual blood, says Tazuke. Pain relievers like Aspirin, Advil, and Motrin can also have this effect on some people.

If It’s Always Been That Way:

1. Excessive Bleeding

Some people are genetically more prone to bleeding, says Tazuke. If this is the case with you, you might also notice that you bruise or bleed easily on other parts of your body. This requires treatment, so see a doctor about it.

In Either Situation:

1. Uterine Fibroids

Fibroids are benign tumors on the uterus made of muscle cells and connective tissue. Seventy to 80 percent of women get fibroids before age 50, and most don’t even notice them. One sign of fibroids is a heavy or long-lasting period, says Tazuke. Others include frequent urination, an enlarged abdomen, and pain during sex. Most fibroids don’t have to be treated, but if you have some of these symptoms and they’re bothering you, you can go to a doctor for an ultrasound to see if you have fibroids, and they can be treated with pain relievers, hormonal medication, or, in severe cases, surgery.

2. Polyps

Polyps are another kind of uterine growth that can cause long or heavy periods, says Tazuke. They come from overgrowth of the uterus’s lining, and they’re sometimes cancerous but usually benign. Postmenopausal people are most likely to get them, though it’s possible for younger people to as well. Like fibroids, these don’t always require treatment, but they can be treated with hormonal medications or surgical removal.

3. Ovarian Cysts

Ovarian cysts are growths on the ovaries that most women have at some point. Sometimes they cause pain or rupture, and sometimes they go away before you even feel them. They don’t always affect your period, but they may go along with hormonal changes that can throw off your period. Ovarian cysts could also be a sign of polycystic ovary syndrome (PCOS), whose symptoms include missed periods, making the next period long.

So, your long periods could mean a huge number of things. Most of them aren’t serious, but see your doctor just to make sure everything’s OK and to prevent anemia.

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