If you want to know about urinary problems in pregnancy, including dark urine in pregnancy, we recommend that you read more.


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Pregnancy is one of the most important periods in a woman’s life. Pregnancy can affect all parts of a pregnant woman’s body. During pregnancy, you will see fundamental changes in the function of the urinary tract.

And in this article, we are going to mention the darkening of the urine during pregnancy. Here, it is better to briefly say that one of the causes that can cause darkening of the urine is infections of the kidneys and urinary tract. We must emphasize that any kind of infection of the kidneys and urinary tract in pregnant women must be treated..


Urinary problems in pregnancy

Here are some examples of problems that a pregnant woman may experience during pregnancy and give a little explanation about them. Some of these changes and problems can be associated with dark urine during pregnancy.


Doctors use the term hydronephrosis when they want to convey the following meaning.

Hydronephrosis is the swelling of the kidneys that results from incomplete emptying of the urine, resulting in the accumulation of urine in the kidneys. This disorder is usually due to an increase in the hormone progesterone and a secondary relaxation of the body’s muscles due to this hormone. Urinary smoky movements will decrease with increasing progesterone in pregnancy

And the person suffers from a kind of urinary retention, and therefore all of this leads to the pregnant woman not being able to excrete enough urine.

During pregnancy, the growth of the fetus and the increase in the size of the uterus will create a kind of relative obstruction in the passage of urine. This phenomenon is said to affect the right kidney more commonly. There are three types of hydronephrosis that are divided according to severity and are:

It should be noted that in pregnancy between the sixth and tenth weeks of pregnancy is usually the time when a pregnant woman develops hydronephrosis if symptoms of urinary obstruction such as pain, nausea and vomiting occur.

Or there may be an increase in the severity of hydronephrosis performed on serial ultrasounds.

The doctor should insert a ureteral stent or double G catheter through the scope system to maintain the urinary tract and maintain normal kidney function.

Pregnant women with hydronephrosis usually have a problem one to one and a half months after giving birth, and the doctor can remove the double G


During pregnancy, a pregnant woman is more prone to stone formation. The reason for this increase in susceptibility is the effect of pregnancy hormones, including increased progesterone, which reduces the movement of the ureter and reduces the movement of urine to the urethra for excretion.

Also in the kidneys, calcium rises in the urethra, but on the other hand, increased secretion of stone-forming inhibitors, such as citrate, during pregnancy can usually inhibit the lithogenesis process.

As we have to say, in general, we do not usually see a significant increase or decrease in the risk of stone formation in pregnant women.

Now let’s see what symptoms occur if a woman gets stones during pregnancy. The symptoms of kidney and urinary tract stones in a pregnant woman are the same as the symptoms during non-pregnancy.


Stones are more common in the second and third trimesters and are usually due to calcium supplements taken by a pregnant woman and increased calcium secretion by the kidneys during pregnancy.

It is forbidden for a pregnant woman to receive X-rays for imaging, so the main tool during pregnancy to evaluate is the ultrasound.

Of course, ultrasound does not detect stones in the middle part of the ureter. Sometimes, if necessary, limited color image or limited ivp is used.

Treatment is usually conservative in pregnant women with kidney stones. Analgesic serum and antibiotic treatment are appropriate if needed.


Sixty-eight to eighty-five percent of stones will usually come off on their own. If the stones do not come off and the swelling of the kidneys interferes with kidney function, a double G catheter should be inserted into pregnant women.

Extracorporeal crushing is strictly forbidden in pregnant women, but if there is a serious need and you are in the last months of pregnancy, you can use an intrauterine crusher or a holmium laser.


Kidney and urinary tract infections are a very important issue during pregnancy. The symptoms of a urinary tract infection in a pregnant woman are similar to those of non-pregnant women.


And in general, pregnant women are more likely to get a urinary tract infection during pregnancy than non-pregnant women. This is because hormones and blood flow change during pregnancy, causing major changes in the urinary system as a whole.

One of the changes that occurs during pregnancy is an increase of about one centimeter in the length of the kidney.

Also, decreased ureteral smoky movements due to the hormone progesterone increased and ureteral narrowing due to increased uterine size and eventually hyperemia of the bladder mucosa and its thickness, which increases by about thirty to fifty percent due to increased estrogen during pregnancy. Therefore, these changes lead to the excretion of protein in the urine of pregnant women. In pregnant women, the prevalence of bacteria in the urine is about four to seven percent.

The presence of bacteria in a pregnant woman’s urine, even if the pregnant woman is asymptomatic, definitely needs treatment.

If a woman is pregnant and has bacteria in her urine and is not treated, this complication, whether symptomatic or asymptomatic, if left untreated, can predispose the woman to several complications in the first trimester of pregnancy.


The most important of these are infections of the kidneys and upper urinary tract, called pyelonephritis.


If a pregnant woman gets an infection in the lower parts of the urinary system, the duration of treatment is seven days, but in case of acute pyelonephritis, as we said, the infection is in the upper parts of the urinary tract and kidneys and the person must be hospitalized and receive injectable antibiotics for a longer time. And antibiotics have many side effects on the fetus.

Therefore, their use should be done with caution and only with a doctor’s prescription, and in general, the use of antibiotics such as penicillin or cephalosporin in pregnant women is not prohibited.


Darkening of urine color during pregnancy

If the color of your urine darkens during pregnancy and you are worried about this, we must say.

This change can occur in many pregnant mothers, but it can also be a sign of serious problems. Darkening of the urine during pregnancy can occur due to the consumption of some foods or some supplements. Darkening may indicate dehydration in your body. Among the causes of darkening of the color of urine during pregnancy can be mentioned the following:

Dehydration is due to not getting enough water and is the most common cause of dark urine and when a person does not get enough water and fluids. The concentration of urea, which is a chemical that causes the yellow color of urine, increases in urine. So the color of your urine turns yellow and even brown in some cases.

Dehydration during pregnancy can be dangerous because your body needs water significantly during this time due to changes in your body. So drink plenty of water and increase the intake of fruits and vegetables such as watermelon and cucumber in your diet. Be sure to see your doctor if you still have dark urine despite following these recommendations.


Pregnant women are usually given supplements by a doctor or midwife, and after taking some supplements, excessive amounts of water-soluble vitamins, for example B and C , which the body is unable to absorb excess, are excreted in the urine and darken the color of urine in pregnancy.


Fruits and vegetables can cause darkening of urine color in pregnancy. Carrots and sweet potatoes can darken the color of urine, and this darkening of urine color is due to the pigments in these fruits and foods, So do not worry and continue to eat these fruits and vegetables with peace of mind.


Some herbal remedies and supplements can also darken the color of your urine. Some of them may also cause the urine to become too light. Taking medications such as pyridium can reduce the symptoms of a bladder infection and may cause the pregnant woman’s urine to darken to orange.

Laxatives that are prescribed to control and reduce the discomfort caused by constipation in pregnancy are also factors that cause darkening of the color of urine.


We emphasize that a very dangerous cause of dark urine during pregnancy can be urinary tract infections. Discoloration of the urine is one of the most common manifestations that occurs following a urinary tract infection.

Urine is usually foamy, smelly, and dark. Urinary tract infections are one of the most common problems of pregnant women during pregnancy. The risk of developing urinary tract infections increases during pregnancy. The presence of bacteria in the urine, called urea bacteria, even if it is asymptomatic in a pregnant woman must be treated with appropriate antibiotics.

Urinary tract infections during pregnancy, if left untreated, can cause adverse effects such as preterm delivery or fetal death in utero. Therefore, we emphasize that if you have symptoms such as dark urine color, foamy urine, burning when urinating, urgent need to urinate, frequent urination, bad odor and yellow and cloudy urine, you should inform your doctor without wasting time.


The final word

We must say that although in most cases there is no specific reason to worry, But if you are pregnant and you see dark and dull colors of your urine, it is better to take the matter to your doctor and health care provider to be sure.

Also, if the urine turns green, blue, pink, or any other abnormal color during pregnancy, You should see a doctor as soon as possible.

Know that if the darkening of the urine color is due to urinary tract infections, this problem can be easily diagnosed with a simple urine test and by treating it, you can prevent many of the sometimes irreversible complications that can occur to your fetus and baby.