Biomaterial collection algorithm.

Daily urine during pregnancy is collected according to strict rules. Ignoring them can lead to false results, misdiagnosis and inappropriate treatment.

1. Complete elimination of spicy, smoked food a day before passing urine. Coloring food products, alcohol are not allowed. Temporarily stop taking diuretics and any vitamins.

2. Carry out thorough hygiene of the genitals. This is done before every trip to the toilet.

3. It is advisable to close the vaginal entrance with a swab or cotton pad during urination. This will prevent secretions from the genitals from entering the urine.

4. You need to collect ALL portions. Otherwise, the study is inappropriate.

In the prepared large container, we begin to collect urine:

• The first, earliest urine is skipped. The time is fixed.

• Next, all the urine that comes out during the day is collected, without exception.

• The last portion of urine is collected after 24 hours at exactly the same time that the first one was collected. For example, the first missed portion is marked at 5.30, which means that the last urine should be collected the next day at exactly 5.30.

• Storage of the daily collection takes place on the lowest darkened shelf of the refrigerator. You can't freeze.

• It is best to hand over the collected material to the laboratory immediately after the last urination.

• You can donate the entire container, or pour it into a special glass of 150 ml. Shake well before this.

Of course, during pregnancy, it is more difficult than ever to pass such an analysis, as the number of urination increases. But you need to be patient and pass the entire daily norm, without missing a single urine output. This is the only way to get reliable and high-quality results.

During the study of daily urine, an analysis of the microscopic sediment and the general characteristics of urine is carried out.

• Analysis of urine during pregnancy.

All indicators are very important in diagnosing a particular problem in a pregnant woman. This will help in time to orient and choose the right treatment.

The expectant mother needs to be prepared for the fact that such a study will need to be completed more than once. After all, each trimester has its own characteristics, and if everything was fine in the first half of pregnancy, then complications are possible in the third trimester. They need to be noticed in time to ensure complete safety for the expectant mother and baby.

Rules for collecting the daily norm of urine during pregnancy.

In order for the result to be as reliable as possible, and the doctor to be able to determine the cause of the problem with the kidneys, it is important to know how to collect biomaterial for daily urine analysis during pregnancy.

The choice of dishes for biomaterial.

To collect urine, you should purchase a whole set of containers at specialized pharmacies.

1. Canister made of unpainted plastic with a tight-fitting lid and a division scale on one side. So it will be more convenient for a woman to control the amount of collected material. Such a container must be with a handle so that it is possible to hold the canister with one hand. The volume of such a container is 2500 ml. Material is collected in it during the day.

2. A plastic glass with a volume of up to 150 ml, into which a part of the urine collected per day is poured. In it, urine is sent to the laboratory.

3. Transfer tube. Used to transfer urine from one container to another.

4. A bottle with a stabilizer.

When it is not possible to purchase such a container, it is permissible to collect the material in an ordinary glass jar with a volume of 2 or 3 liters. Depending on the expected amount of urination.

The jar is thoroughly disinfected and a sealed lid is selected for it. With all this, the bank will not be able to guarantee the quality storage of urine.

Any impurity, cooling or overheating completely excludes a reliable result.

What is the daily rate of urine?

The daily rate refers to the total volume of urine excreted by a person. On average, it is about 2000 ml. This figure is approximate, since each person is individual. In pregnant women, the number of urination increases significantly due to the growing uterus, which presses on the bladder.

The study of biomaterial collected per day helps to assess the excretory function of the kidneys. In a word, whether the kidneys remove the required amount of fluid, or whether it is retained in the body of a pregnant woman, which leads to edema and complications in the form of preeclampsia.

It is very important that 3/4 of the entire fluid that enters the body per day is excreted from the body in 24 hours. That's the norm. Any deviation towards a decrease or increase in urination, in conjunction with the changed characteristics of urine, is regarded by the doctor as a sign of a possible pathology.

It is important that an increase in diuresis in the third trimester of pregnancy is not a pathology and is associated with physiological changes in the body of a pregnant woman.

Daily urine, examined in the laboratory, will indicate the exact amount of substances excreted by the kidneys during the day. Clinical examination of urine is not able to reveal such details.

Why do you need to give daily urine during pregnancy?

A pregnant woman, in order to fully control her situation, is forced to take a large number of tests prescribed by a gynecologist leading a pregnancy. One of the most commonly performed tests is a urine test.

It is his results that become a signal for further action if there is a threat to the health of the mother and baby. When the results of a general urine test are not enough for a complete picture of the course of the gestation process, a daily urine test during pregnancy may be prescribed. It helps to evaluate the physicochemical, microbiological and bacteriological characteristics of urine.

Urine collection for glucosuric analysis.

Collection of samples for testing is carried out as follows:

• at 7.00 a woman empties her bladder into the toilet;

• all subsequent portions of urine from 7.00 to 15.00 are collected in the first container;

• from 15.00 to 13.00 - to the second container;

• from 23.00 to 7.00 - on the third day.

The collected biological material should be stored at a temperature of +4 to +8°C.

For glucosuric analysis, urine collected per day in each container is thoroughly mixed and three samples are taken in the amount of 50-80 ml.

The rate of glucose in daily urine is from 105 to 120 ml / min. An increase in concentration indicates the presence of such diseases in a pregnant woman as:

• disorders of the cardiac and vascular systems;

• diabetes;

• Itsenko-Cushing's disease;

• adrenal insufficiency.

A certain amount of total protein in urine can be found in each person. During pregnancy, the normal value of this indicator is considered to be a concentration of up to 0.03 g / l. An increase in this figure is denoted by the term "proteinuria".

However, this phenomenon is not only a sign of a pathological process (cystitis, urethritis, nephritis), but may also have physiological causes:

• the predominance of a large amount of protein foods in the diet of a pregnant woman - dairy and meat products;

• severe stress;

• moral exhaustion due to worries about the upcoming birth.

The conditions for collecting biological fluid are simple and differ little from all of the above rules. It is important for a pregnant woman to control urination, on the eve of collecting urine, exclude salty and sour foods from the diet, and limit meat consumption.

The main indication for determining the level of total protein in daily urine is the diagnosis of such a dangerous disease for the expectant mother as preeclampsia, which occurs with edema

Before each emptying of the bladder, it is necessary to wash the external genitalia, all portions of urine are accumulated in a large container prepared in advance. On the morning of the next day, the last portion is collected, the total volume is measured, then the urine is poured into a special small container in the amount of 100–150 ml and delivered for analysis.

Of course, conducting regular examinations is not a very pleasant companion of pregnancy, but the positive aspects of the waiting period for the birth of a baby will smooth out these feelings - you need to remember that many changes in health status can be easily diagnosed by the state of urine. In conclusion of all of the above, I would like to note that it is very important to donate urine for research to proven modern laboratory centers.

Glucosuric profile of a pregnant woman.

During pregnancy, serious changes occur in the female body, the work of internal organs occurs at an accelerated pace. The active functional activity of the kidneys in some cases leads to the excretion of glucose in the urine. This phenomenon is designated by the medical term "glucosuria" and can be caused by various reasons.

In healthy pregnant women, urinary sugar excretion is not pronounced, it cannot be determined using conventional laboratory methods. In some cases, a symptom of renal glucosuria is observed as part of tubulopathies (kidney diseases with damage to the tubular system and impaired function).

Glucosuria appears more often in the II trimester, which is caused by an increase in blood circulation in the kidneys, a change in hormonal levels, a decrease in the reabsorption capacity of the kidney tubules

With a normal level of glucose in the blood, glucosuria does not pose any threat to the expectant mother and her baby. However, the state of health of such women must be treated with increased attention.

The causes of pathological glucosuria are impaired renal function due to concomitant chronic diseases. Risk factors for a woman's susceptibility to glucose excretion in urine are considered to be the presence of:

• genetic predisposition to diabetes;

• acute pancreatitis;

• poisoning of various origins;

• extrarenal glucosuria;

• disorders of absorption of carbohydrates;

• fetal weight over 4.5 kg;

• pregnancy after 35 years;

• anomalies in the development of the fetus.

To diagnose glucosuria and clinically distinguish between diabetes mellitus and physiological conditions, a specialized glucosuric study is used to assess an increase or decrease in sugar excretion in daily urine. To perform this analysis, it is necessary to examine the concentration of glucose in 3 portions of the biological fluid.

On the eve of collecting biomaterial, a pregnant woman needs to limit the intake of sweets and foods containing a large amount of carbohydrates and prepare three large clean containers.

Daily diuresis of a pregnant woman.

A certain amount of urine that is excreted from the body in 24 hours is called daily diuresis. It is this value that is an important parameter of the course of pregnancy. Due to the increasing need for fluid, the frequency of urination should increase.

In a healthy pregnant woman, the amount of fluid that has entered the body should be completely excreted - its delay affects both the health of the expectant mother and the development of the baby

Any deviation from normal values characterizes the presence of a violation of renal function in a woman. That is why practicing obstetrician-gynecologists pay special attention to the amount of urine excreted per day. Early diagnosis and timely treatment will help to avoid possible complications.

What does a daily urine test show?

The calculation of diuresis is carried out according to the following algorithm - about 80% of the fluid is excreted from the female body with urine, the remaining 20% is excreted by the sweat glands.

The daily rate is calculated taking into account the increased fluid intake of a pregnant woman and the increase in the frequency of urine discharge within 24 hours. An indicator of 1.5 to 2 liters is considered normal.

Deviations from the norm are not observed if the expectant mother does not have any chronic diseases of the endocrine organs and urinary system, as well as complications during pregnancy.

The change in the value of daily diuresis is influenced by such a pathological condition as preeclampsia (late toxicosis), which is characterized by:

• persistent deterioration of the woman's general well-being;

• nausea and vomiting;

• persistent arterial hypertension;

• the presence of edema on the limbs;

• excessive weight gain;

• convulsions;

• proteinuria (removal of protein from the body in the urine).

Proteinuria is a dangerous symptom that indicates kidney damage, in order to identify the pathological process, it is necessary to conduct a biochemical analysis, constantly monitor blood pressure and diuresis

There are the following types of violations of daily urine output:

1. An increase in the volume of excreted biological fluid up to 3.5 liters - polyuria. Most often, this phenomenon is observed with a persistent increase in blood pressure, diseases of the endocrine system.

2. A significant decrease in the amount of urine - oliguria. This pathological condition develops with dehydration of the female body with frequent vomiting or diarrhea, inflammation of the renal parenchyma, hemolytic anemia, blockage of the lumen of blood vessels (embolism).

3. Lack of urination - anuria, which indicates the development of serious pathologies in the female body.

The causes of these conditions are both physiological and pathological factors. Any changes in daily diuresis cause expectant mothers to worry. However, do not panic - first of all, you need to consult with an experienced specialist and undergo a comprehensive examination.

How to pass a daily urine test for a pregnant woman?

To properly pass a daily urine test, a pregnant woman needs:

1. Release the first morning portion of urine into the toilet, but be sure to write down the exact time of urination.

2. Before each urination, conduct thorough hygiene of the external genitalia.

3. After each emptying of the bladder, add the resulting biological fluid to the prepared large container.

4. Write down the entire volume of liquid consumed within 24 hours (including first courses, juices, tea).

5. Store the biomaterial in a dark, cool place (temperature should not exceed +8 degrees).

6. The last collection of urine should fall on the missed first, for example - if urination began at 7.00, and this portion was not brought into the container, you need to finish the collection procedure at 7.00 of the next day.

7. It is necessary to donate the collected biological fluid as soon as possible after the last emptying of the bladder, otherwise the test results may be inaccurate.

Depending on the type of study, either a larger container is delivered to the laboratory center, or the required amount is poured into a smaller container - this must be agreed with the laboratory assistants.

Why do you need a study of daily urine?

Usually, in order to monitor the health of the expectant mother and diagnose possible diseases, a clinical urine test is performed, collected in the morning.

However, if a woman is suspected of having dysfunctions of the internal organs, in which control of diuresis (the volume of urine excreted in a certain time) or biochemical parameters of urine is required, a study of daily urine is prescribed.

The most common specific tests are:

• determination of daily diuresis - it is recommended if the expectant mother has edema, the analysis allows you to assess the amount of fluid that is retained in the female body;

• glucouric profile - is assigned when a high concentration of glucose is detected in the general analysis of urine;

• determination of the concentration of such an important biochemical indicator as total protein, the value of which allows the doctor to evaluate the functional activity of the internal organs and systems of the expectant mother.

• All of the above studies are necessary for a comprehensive examination of pregnant women with various pathologies of internal organs and systems.

• As with the collection of biological fluid for general analysis, there are also clear requirements for the daily study of urine, non-compliance with which will lead to inaccurate totals and, accordingly, to an incorrect diagnosis.

• That is why, on the eve of collecting urine, a woman needs to:

• prepare a container for the biomaterial - it can be a special container purchased at a pharmacy, or an ordinary large glass container that needs to be well disinfected;

• exclude from the diet salty, spicy and smoked foods, as well as foods that can affect the color of urine (carrots, rhubarb, cherries, beets).

It is better to collect biological fluid in a plastic container, you can buy it at a pharmacy chain or a medical equipment store

Special kits are available for sale, they include a container marked in liters, a container for urination and transfer of biological fluid into a large container, a urine stabilizer (20% hydrochloric acid solution) and a plastic cup for collecting biomaterial from a large container.

Daily urine during pregnancy.

Any woman, expecting the birth of a baby, cares about the successful completion of pregnancy. Numerous diagnostic studies that a future mother has to take are called to help control the course of the period of bearing a child.

One of the most informative methods is urine analysis.

The results of this test allow qualified specialists to accurately diagnose the pathological process, start a course of therapeutic measures in a timely manner and eliminate the threat of complications that may affect the health of the child.

A pregnant woman has to collect urine for research on a regular basis - monthly until the 20th obstetric week, once every two weeks - from the 21st, weekly - from the 27th until the very birth.

In addition to general clinical analysis, medical practitioners quite often prescribe additional urine tests - this biological substance can characterize the lifestyle of a pregnant woman and her diet. To perform this type of analysis, biological material must be collected within 24 hours.