Impact of Menstrual Cycle on Women's Urinary Health Checkups - Urology

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Women's health check-up


Hello, doctor.
I have irregular menstrual cycles, but my company requires me to complete a health check-up by a specific date.
I would like to ask: 1.
Is it possible for hematuria to occur just before my menstrual period, potentially affecting the urine test results? 2.
Will taking progestin to delay my period affect the test results? Thank you.
🙏

A, 30~39 year old female. Ask Date: 2022/12/10

Dr. Sun Hongshun reply Urology


Hello A: 1.
It's possible, but since you cannot determine the timing of your menstrual period, just go for the test at a time that is convenient for you! 2.
It will not affect the test results.

Reply Date: 2022/12/10

More Info


The impact of the menstrual cycle on urinary health checkups is a topic of considerable importance, especially for women who are required to undergo routine health screenings. To address your questions:
1. Menstrual Cycle and Urinary Test Results: It is indeed possible for the menstrual cycle to affect urinary test results, particularly in the context of urine tests for blood (hematuria). During menstruation, the presence of menstrual blood can contaminate urine samples, potentially leading to false positives for blood in the urine. This is particularly relevant if the urine sample is collected during the menstrual period. Therefore, if you are close to your menstrual period, it may be advisable to schedule your urinary health checkup for a time when you are not menstruating to avoid any potential interference with the results.

2. Impact of Hormonal Medications: Regarding the use of medications such as progesterone (often referred to as "黄体素" or "luteal hormone"), these can have various effects on the body, but they typically do not directly affect the results of routine urine tests. However, hormonal medications can influence menstrual cycles and may lead to changes in fluid retention or other physiological responses that could indirectly affect urinary output or composition. It is essential to inform your healthcare provider about any medications you are taking, as they can provide tailored advice based on your specific situation.


Additional Considerations
When planning for a urinary health checkup, consider the following:
- Timing of the Test: If your menstrual cycle is irregular, try to schedule your checkup for a time when you are not menstruating. This will help ensure that the results are as accurate as possible.

- Hydration: Ensure you are well-hydrated before the test. Dehydration can concentrate urine and may lead to misleading results, such as elevated levels of certain substances.

- Communication with Healthcare Providers: Always communicate with your healthcare provider about your menstrual cycle and any medications you are taking. They can help interpret your test results in the context of your overall health and any potential influences from your menstrual cycle or medications.

- Follow-Up Testing: If you receive abnormal results, especially concerning hematuria or other urinary abnormalities, your healthcare provider may recommend follow-up testing or additional evaluations to determine the underlying cause.

In conclusion, while the menstrual cycle can influence urinary test results, careful planning and communication with your healthcare provider can help mitigate these effects. It is always best to approach health checkups with a clear understanding of how various factors, including your menstrual cycle and any medications, may impact your results. If you have any further questions or concerns, do not hesitate to reach out to your healthcare provider for personalized advice.

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