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A 34-year-old member asked:

Why do i have protein in my urine while pregnant?

7 doctor answers8 doctors weighed in
Dr. Michael Traub
Fertility Medicine 20 years experience
May be a sign : Women may have protein in the urine for many different types of reasons. Some include a urine infection. Some women have underlying medical condition such as high blood pressure, diabetes or lupus that causes this. In pregnancy women can develop pregnancy induced high blood pressure and this often accompanies protein in the urine. So this should definitely be followed by a physician if it develops.
Dr. Padmavati Garvey
A Verified Doctoranswered
31 years experience
Leaky kidneys: All pregnant women have leaky kidneys while pregnant and typically can have some small amount of protein and glucose in the urine.
Dr. Sheila Goodman
Specializes in Obstetrics and Gynecology
High blood flow: The reason that many pregnant women have a small amount of protein in their urine is related to high blood flow through the kidney. If there is more than a minimal amount of protein in the urine it can be due to kidney disease or pre-eclampsia. That's why we check your urine every visit.
Dr. Neeoo Chin
Fertility Medicine 41 years experience
Caution: Protein in the urine while pregnant can signify renal disease. The usual explanation is the start of preeclampsia or toxemia of pregnancy. Follow up with your doctor as soon as possible.
Dr. Kathryn Mercer
Obstetrics and Gynecology 35 years experience
Leaky vessels: Your blood volume is markedly increased in pregnancy and that extra volume stretches all of your blood vessels so they leak. The leaked fluid is serum which is protein. The leaked serum in your kidneys comes out in your urine. This is worse for hypertensives, and one of the early signs of pregnancy induced hypertension. That's why your doctor will ask you for urine samples.
Dr. Andrew Silverman
Fertility Medicine 50 years experience
Protein in the urine: Protein in the urine or proteinuria is due to leaky kidney tubules, and is commonly seen in pregnant women. High loss of protein in the urine measured over 24 hrs. Can be a diagnostic of preeclampsia, and should be followed up with your obstetrician. The initial studies from the uk on proteinuria and uric acid clearance have documented this condition, and discussed the associated risks.
Dr. Kevin O'neil
Urogynecology 29 years experience
Several reasons: Protein in the urine during pregnancy can both be normal; due to increases in blood flow to the kidneys or due to dehydration, or abnormal; as in the woman developing preeclampsia or other renal diseases. Usually, normal proteinuria is either trace or 1+ on a urine dipstick and is not associated with high blood pressure or swelling in the hands and face.

Similar questions

A 42-year-old member asked:

Is it normal to have protein in urine while pregnant with diabetes?

2 doctor answers7 doctors weighed in
Dr. John Kirk
Obstetrics and Gynecology 28 years experience
Generally no: Protein in the urine in pregnancy is something that should be evaluated. Given your age and the fact you have diabetes in pregnancy, you have more risk for a problem called preeclampsia. This is the constellation of high blood pressure, urine protein and (softer call) non dependent edema. Severe head aches or pain in the upper right abdomen and persistent visual changes are more concerning.
A 35-year-old female asked:

What are normal levels of protein in urine when pregnant?

1 doctor answer1 doctor weighed in
Dr. David Barrere
Obstetrics and Gynecology 10 years experience
None or Trace Amount: On a urine dipstick test in the office, normal is negative/none or trace amounts of protein (some protein is normal in the urine in the morning hours). On a 24 hour urine collection to actually measure protein, less than 300mg in 24 hours is normal.
A 32-year-old female asked:

What do I do if I have protein in my urine?

2 doctor answers2 doctors weighed in
Dr. Nikhil Agarwal
Specializes in Internal Medicine
Protein in urine: Slight protein in urine can be normal in some people. Any amount of protein in the urine initially needs an evaluation to further determine the cause. Based on the amount of protein in urine and other associated symptoms there can be a wide variety of causes. Please see a kidney specialist for further evaluation.

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Last updated Apr 10, 2019

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