Menstrual Blood Clots with White Tissue: What to Know - Obstetrics and Gynecology

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Menstrual blood clots accompanied by white tissue fragments?


Hello: My menstrual cycle is regular, arriving on the 29th of each month (12/29).
Due to traveling abroad, I had sexual intercourse and took birth control pills from 12/18 to 1/4.
My period started on 1/8.
I usually experience menstrual cramps and blood clots, with a heavier flow for the first 1-3 days.
However, this time I noticed a white tissue-like mass with a small amount of blood clots, approximately 1cm by 4cm.
Is this normal? Could it be an ectopic pregnancy or uterine fibroids?

Xiao Mi, 30~39 year old female. Ask Date: 2013/01/09

Dr. Lü Lizheng reply Obstetrics and Gynecology


Dear Xiao Mi,
Hello.
Generally, uterine fibroids do not fall off on their own.
In most cases, an ectopic pregnancy is less likely to result in large blood clots.
If you are concerned about an ectopic pregnancy, you can take a urine test; a positive pregnancy test in the urine would indicate the possibility of an ectopic pregnancy.
It is more likely that what you are experiencing is simply the shedding of endometrial tissue or a product of a fungal infection, which is not dangerous.

Wishing you peace and health.
Sincerely,
Dr.
Lu Li-Cheng
Director, Department of Obstetrics and Gynecology
Taoyuan Hospital, Ministry of Health and Welfare

Reply Date: 2013/01/09

More Info


Understanding menstrual blood clots, especially when they present with unusual characteristics such as white tissue, can be concerning for many women. It’s important to approach this topic with a clear understanding of what is considered normal and when it might be necessary to seek medical advice.

Firstly, menstrual blood can contain clots, which are typically dark red or brown and can vary in size. Clots are formed when blood pools in the uterus and then coagulates. It is common for women to experience clots during their menstrual cycle, especially on heavier flow days. However, the presence of clots that are accompanied by unusual colors or textures, such as white tissue, can raise questions.

In your case, you mentioned experiencing menstrual pain and the presence of a white tissue-like clot measuring approximately 1 cm by 4 cm. This could potentially be a piece of endometrial tissue, which is the lining of the uterus that sheds during menstruation. Sometimes, when the endometrial lining is shed, it can appear as larger clumps or pieces, especially if there is a heavier flow.

Regarding your concerns about ectopic pregnancy (a pregnancy that occurs outside the uterus, often in a fallopian tube) or uterine fibroids (noncancerous growths in the uterus), it’s important to consider the context of your menstrual cycle and any other symptoms you may be experiencing. Ectopic pregnancies can present with abnormal bleeding, but they are often accompanied by other symptoms such as severe abdominal pain, shoulder pain, or dizziness. If you are not experiencing these symptoms, the likelihood of an ectopic pregnancy may be lower.

Uterine fibroids can also cause heavier menstrual bleeding and the passage of clots, but they typically do not cause the passage of white tissue. If you have a history of fibroids or if you suspect you may have them, it would be wise to consult with a healthcare provider for further evaluation.

It’s also worth noting that hormonal changes, such as those caused by starting or stopping birth control pills, can affect your menstrual cycle. Since you mentioned taking birth control pills from December 18 to January 4, it’s possible that the hormonal fluctuations could be influencing your menstrual flow and the characteristics of your menstrual blood.

In summary, while the presence of clots during menstruation can be normal, the appearance of white tissue warrants further investigation, especially if it is accompanied by other concerning symptoms. It is advisable to monitor your symptoms closely and consult with a healthcare provider if you notice any significant changes in your menstrual cycle, experience severe pain, or have any other unusual symptoms. A healthcare provider can perform a physical examination, and possibly an ultrasound or other imaging studies, to determine the cause of your symptoms and provide appropriate guidance and treatment if necessary.

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