Hematuria During Pregnancy: Causes and Management - Internal Medicine

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Hematuria


Dear Dr.
Yang,
A year ago, when I was pregnant with my first child, I experienced hematuria.
After being treated with antibiotics by my physician, the symptoms improved.
Three months postpartum, I noticed small blood clots in my urine and went to the hospital for examination.
Ultrasounds, X-rays, contrast X-rays, and urine cytology tests of my kidneys and bladder showed no abnormalities.
A month later, a urine test also showed no signs of hematuria.
However, I occasionally still see blood clots in my urine.
This past week, I have noticed blood clots in every urine sample, and they seem to be larger than before, which is concerning, especially since I am now over two months pregnant and unable to undergo any invasive tests.
The situation seems to be worsening.
Could you please help me diagnose the possible issues? What should I do to alleviate the symptoms?
Thank you!

Jenny, 30~39 year old female. Ask Date: 2004/03/11

Dr. Yang Jun reply Internal Medicine


Hello: In response to your question.
A year ago, you experienced hematuria during pregnancy, which improved after antibiotic treatment, likely due to hemorrhagic cystitis.
After delivery, blood clots were found in your urine, and tests including urine cytology, X-ray, and renal ultrasound were all normal.
This indicates that hematuria caused by renal disease is less likely; however, hematuria due to autoimmune antibodies and gynecological conditions cannot be ruled out.
You may want to consult with a nephrologist and an obstetrician-gynecologist for further evaluation, and consider asking a urologist whether a cystoscopy is necessary.

Reply Date: 2004/03/11

More Info


Hematuria, or the presence of blood in urine, during pregnancy can be a concerning symptom for expectant mothers. Understanding its causes and management is crucial for both maternal and fetal health.
Firstly, it’s important to recognize that hematuria can arise from various sources, including urinary tract infections (UTIs), kidney stones, trauma, or even benign conditions such as glomerulonephritis. In pregnant women, the physiological changes that occur can also contribute to urinary symptoms. For instance, hormonal changes can lead to increased blood flow to the kidneys, which may result in transient hematuria.
In your case, since you experienced hematuria during your first pregnancy and were treated successfully with antibiotics, it’s possible that a UTI could be a recurring issue. UTIs are quite common during pregnancy due to anatomical and hormonal changes that predispose women to infections. Symptoms may include burning during urination, frequent urination, and lower abdominal pain, but sometimes hematuria can be the only sign.

Given your history of hematuria and the fact that you are now pregnant again, it is advisable to monitor your symptoms closely. If you notice any additional symptoms such as fever, chills, or worsening pain, you should seek medical attention promptly.
In terms of management, since you are currently pregnant, invasive procedures such as cystoscopy or extensive imaging studies may be limited. However, your healthcare provider may recommend a urinalysis to check for signs of infection or other abnormalities. If a UTI is confirmed, appropriate antibiotics that are safe during pregnancy can be prescribed.

Additionally, maintaining hydration is essential. Drinking plenty of fluids can help flush out the urinary system and may alleviate some symptoms. Avoiding irritants such as caffeine, alcohol, and spicy foods can also be beneficial.

If you continue to see blood clots in your urine, it is crucial to follow up with your healthcare provider. They may consider a referral to a urologist or nephrologist for further evaluation if necessary. It’s also important to keep your obstetrician informed about your symptoms, as they can provide guidance tailored to your pregnancy.

In summary, while hematuria during pregnancy can be alarming, it is often manageable with appropriate medical care. Regular monitoring, maintaining hydration, and following your healthcare provider's recommendations are key steps in ensuring both your health and the health of your baby. If your symptoms worsen or do not improve, do not hesitate to seek further medical evaluation.

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