Post-HPV Test Bleeding: Causes and When to Seek Medical Attention - Obstetrics and Gynecology

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Post-procedural bleeding?


On August 1st, I went to a medical laboratory to perform HPV typing tests using a self-collection swab.
My menstrual period was expected to start on August 4th.
After removing the swab, I noticed it was dark red, and then I experienced continuous bleeding.
The bleeding started as brownish for the first three hours and gradually turned bright red, with the amount similar to my usual menstrual flow.

I have a few questions for the doctor:
1.
Can the swab collection cause my period to start early?
2.
Could the bleeding be a result of excessive force during the collection, leading to cervical bleeding?
3.
Is it possible that there is some lesion in the vagina or cervix that was aggravated by the swab, causing the bleeding? How can I observe and determine which of these situations applies? Under what circumstances should I seek medical attention?

Kunrao, 30~39 year old female. Ask Date: 2023/08/02

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, it is possible that the bleeding is caused by the sampling.
Please observe for 2-3 days, and if there is no improvement, it is recommended to see a gynecologist.
Wishing you good health.

Reply Date: 2023/08/02

More Info


Post-HPV test bleeding can be concerning and may arise from various causes. Let's address your questions systematically.

1. Can the HPV test cause an early menstrual period?
While it is unlikely that the HPV test itself would directly cause your menstrual cycle to start earlier, the stress or anxiety associated with medical tests can sometimes influence your menstrual cycle. Hormonal fluctuations due to stress can lead to changes in the timing of your period. However, if you were already due for your period shortly after the test, it is possible that the timing coincided rather than being caused by the test.

2. Could the bleeding be due to vigorous sampling during the test?
Yes, it is possible that the bleeding you experienced is a result of the sampling process. The cervix is sensitive, and if the sampling brush was used with excessive force, it could cause minor trauma to the cervical tissue, leading to bleeding. This type of bleeding is usually light and should resolve within a few days. If the bleeding is heavy or persists, it may indicate a more significant issue.

3. Could there be underlying conditions causing the bleeding?
There is a possibility that the bleeding could be related to an underlying condition, such as cervical inflammation, infection, or other cervical abnormalities. If the bleeding is accompanied by unusual symptoms such as pain, a foul odor, or significant changes in discharge, it may warrant further investigation.

Observing Symptoms and When to Seek Medical Attention
To determine the cause of your bleeding, consider the following observations:
- Duration and Amount of Bleeding: If the bleeding continues for more than a few days or is heavier than your normal menstrual flow, this is a reason to consult a healthcare provider.

- Associated Symptoms: Look for any additional symptoms such as severe abdominal pain, fever, or unusual discharge. These could indicate an infection or other complications.

- Timing in Relation to Your Menstrual Cycle: If the bleeding occurs close to your expected menstrual period and resembles your typical menstrual flow, it may simply be an early period. However, if it occurs outside of your expected cycle and is not typical for you, it should be evaluated.


When to Seek Medical Attention
You should seek medical attention if:
- The bleeding is heavy (soaking through a pad or tampon every hour).

- It lasts longer than a week.

- You experience severe pain or cramping.

- There are signs of infection, such as fever or foul-smelling discharge.

- You have any concerns about your health or the nature of the bleeding.

In summary, while post-HPV test bleeding can be a common occurrence due to the nature of the test, it is essential to monitor your symptoms closely. If you experience any concerning signs or if the bleeding does not resolve, it is advisable to consult with a healthcare provider for a thorough evaluation. They may perform a pelvic exam, ultrasound, or other diagnostic tests to determine the underlying cause of the bleeding and provide appropriate treatment if necessary.

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