Period Blood Clots: Causes, And When To See A Doctor


Women have about 450 periods in their lifetime. And they experience many kinds of problems related to periods. Some have normal periods with regular intervals and some experience abnormal and irregular periods with heavy flow and enormous pain. And period blood clots with the gel-like consistencies in the blood are one of the most common occurrences that a woman gets to see during periods. These are normal and are nothing to worry about in the first place. But our body always releases indication if something is going wrong inside the body. The size of period blood clots also indicates if something wrong is happening in the body and when its time to see a doctor.

In today’s article we will be talking about what period blood clots are, how do they form, when there is absolutely nothing to worry about, and when to see a doctor for treatment. If you also experience menstrual or period blood clots, give a quick read to the article and we are sure you will get benefitted.

Period Blood Clots: Causes, And When To See A Doctor:

What are period blood clots?

Period blood clots are basically a mixture of the blood cells, tissues from the lining of the uterus, and also the protein in the blood that regulates the blood flow. So it is a mixture of blood and tissues. They vary in size and color. And these jelly-like globs are nothing to worry about. You must have noticed one thing. When you have cut or wounds somewhere on your body, your blood, after a certain point of time starts to get thickened. Actually ‘blood clot’ is our body’s defense mechanism by which it tries to stop the process of bleeding. So you see, period blood clots are also normal body mechanisms to stop extra blood flow. When you have an excessive heavy flow during the first two days of your period, the body tries to decrease the amount of bleeding by this process.

How To Understand If Your Clots Are Normal?

For most of the women the incident of releasing thick blood clots during menstruation is normal. It can be of bright to dark red color and usually are experienced within the first two days of starting the period. If you are experiencing blood clots of a quarter size, it is absolutely normal. It may not also happen every month. There might be a month when you will be experiencing frequent blood clots and the next month there might be no clot at all. SO, IF THE BLOOD CLOTS ARE LESS THAN A QUARTER SIZE AND ARE NOT PAINFUL, YOU SHOULD NOT WORRY.


Period blood clots are normal but only till a certain point. Here are some symptoms mentioned below that signifies there is something wrong inside your body and the time has come to see a doctor. What are those? Read below:
  • If the clot size is bigger than a quarter size.
  • If you are getting abnormally heavy flow. If you feel the need to change your pad or tampon every 1 or 2 hours for several hours in a row, it is to worry about.
  • When the period blood clots are way more frequent and come with excessive lower abdomen pain.
  • If you are experiencing excessive blood clots for two or three consecutive months.
  • If your periods are staying for more than seven days in a row.
  • When you get easily very fatigued.
  • Or if you are noticing any other abnormal thing during the period.

Possible Causes Of Abnormal Period Blood Clots:

When your symptom matches the above-mentioned points, there must be some underlying causes of your problems. They are:

Hormonal Imbalance:

In some cases, you might not have periods for two or three months. This irregular cycle of period happens if you have Polycystic Ovary Syndrome (PCOS). In this case, when after two or three months, your period finally arrives, you may have heavy blood flow and excessive blood clots.

So if you have some kind of hormonal imbalance in your body, you will have irregular periods and excessive flow with heavy blot clotting.


You may or may not know this but fibroids can also be the cause behind you experiencing heavy period blood clots.

Fibroids are abnormal growths of muscles or tissues in or on a woman’s uterus. When this happens, women generally experience heavy period bleeding with blood clots. This generally happens to women who are in their late 30’s to 50’s.

Uterine Polyps:

This can also be the underlying cause of you getting the heavy flow and excessive period blood clots.


According to the National Institutes of Health, women having adenomyosis may also experience period blood clots coupled with heavy bleeding, lower abdominal pressure and pain, menstrual cramps, and post-menstrual bloating.

Adenomyosis is a condition in which the inner lining of the uterus (the endometrium) breaks through the muscle wall of the uterus (the myometrium). [Source: WebMD]


There are times when we do not even realize that we are actually pregnant. In very rare cases, pregnancy loss may occur and in those early miscarriage cases, women experience vaginal bleeding with blood clots. Do not mistake it for normal period bleeding. If a woman experiences pregnancy loss within the first 20 weeks of pregnancy, that is a situation of miscarriage.

Risk Associated With Too Much Period Blood Clots:

When you lose too much blood during your periods, chances are you might face a problem of anemia. Your body will face iron deficiency and this is the time you should go visit your doctor. When you see your doctor, your doctor will examine you with a lot of physical examination and a lot more. We suggest you to have a picture of your blood clots so that your doctor has a clear idea of what size and shape your period blood clots are of.

As during this time, you lose a lot of blood, try to eat iron-rich food, a lot of water, and maintain a healthy diet.

So, do not panic when you see period blood clots that are of a quarter-size or smaller than that. They are normal and are part and parcel of periods. But when your blood clots are frequent and are of bigger than a quarter-size, these jelly-like globs are indications of underlying serious issues that need treatment. If that happens, rush to your doctor and start your treatment as fast as you can.

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