2024 Author: Josephine Shorter | [email protected]. Last modified: 2023-12-16 21:43
Evitest pregnancy test
Evitest is one of the most popular test systems in high demand among women around the world. These are universal express devices that allow you to determine early pregnancy at home. Evitest tests are available in several varieties, which allows you to choose the optimal product in each case.
Content:
- Benefits of the Evitest pregnancy test
- Operating principle
- Types of Evitest tests
- Instructions for Evitest tests
- Recommendations for use
- Could Evitest pregnancy test be wrong?
Benefits of the Evitest pregnancy test
If we consider the main advantages of the Evitest system, then among them the following factors can be distinguished:
- The sensitivity of these devices is very high compared to a number of other tests. So, pregnancy can be detected already at the level of hCG in the urine of 20 mIU / ml.
- The manufacturer assures that the accuracy of the test is 99%, provided that the diagnostic study is performed correctly.
- Evitest is convenient to use anywhere, not just at home, if you purchase an inkjet device.
- The result can be assessed in the shortest possible time (3-5 minutes).
- Evitest offers 4 types of appliances to give women a choice.
- Only high quality and non-toxic materials are used for the production of tests.
Operating principle
Evitest works on the same principle as all other express systems aimed at establishing pregnancy. The device reacts to the presence of a specific hormone in a woman's urine, which is called "human chorionic gonadotropin" or hCG for short. A reagent is applied to the strip of the device, which, when hCG particles get on it, turns red (crimson). The study will require a woman's urine.
Chorionic gonadotropin is produced first by the shell of the embryo (chorion), and then by the placenta during gestation. The hormone begins to be produced in large quantities immediately after the embryo is implanted into the wall of the uterus. This happens 5-6 days after the conception happened. Nevertheless, during these periods, the level of hCG is still not high enough for the test to “recognize” it in the urine.
However, 14 days after conception, the content of the hormone in the blood and urine begins to increase rapidly. Every day it becomes almost 2 times more. Therefore, the test must be carried out on the first day of the delay in menstruation, which will allow you to get the most reliable result. Although you can try to add 10 days to the date of ovulation and perform a study on that day.
Types of Evitest tests
Test manufacturer Evitest produces a series of devices that allow early pregnancy detection without visiting a doctor.
- Evitest One. This device is the simplest of the entire Evitest product line. It is represented by a strip fixed on a plastic base. To perform the pregnancy determination procedure, you will need to collect urine in a separate container, where the test will be placed.
- Evitest Plus. This product is similar to the Evitest One, but the package will contain not one but two instruments. The principle of their operation remains the same. If a woman buys Evitest Plus, then she gets the opportunity to save money, since two devices in a set will cost less than buying tests in individual packaging. In addition, to clarify the results, you do not need to go to the pharmacy again.
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Evitest Proof. This is a cassette pregnancy test. The entire device is completely enclosed in plastic packaging. The kit also includes a pipette, which is needed to collect urine and apply fluid to the cassette. This test is considered to be a device that is as accurate as the devices used by professional diagnostic technicians. The Evitest Proof cassette test ensures the most efficient interaction of urine and reagent, which increases the reliability of the result. However, the cost of such a device will be an order of magnitude higher compared to classic test strips.
- Evitest Perfect. This device is jet, which allows you to diagnose pregnancy with great comfort. Evitest Perfect is equipped with a handy grip and a tip with a plastic cap. This shape of the device allows you to carry out the procedure with comfort and makes it as hygienic as possible. What's more, there is no need to find and prepare a container to collect urine. To carry out the testing procedure, it will be enough to bring the device under the stream of urine.
- Evitest Supreme. This test is the latest development from the Evitest manufacturers. In addition to being highly sensitive, this inkjet test is housed in a state-of-the-art cassette design. It has all the benefits of previous generations of tests, making it as comfortable as possible for women. However, it should be understood that such a test cannot be cheap.
Instructions for Evitest tests
Although all Evitest devices are very easy to use, it is nevertheless necessary to carefully study the instructions before starting the diagnosis. It is included with every product and has some specific features. They can affect the correctness of the procedure and the interpretation of the results.
Instructions for Evitest One and Evitest Plus
After the strip is removed from the packaging, you need to protect it from moisture. Beforehand, you should take care of preparing the container for collecting urine (any dry and clean container will do). Urine is collected in the container, after which the test is lowered into it to the immersion zone marked with a line. After 3-5 seconds, the test is removed and laid out on a flat surface. The result can be evaluated in 3-5 minutes, but after 10 minutes it will be invalid.
The appearance of one stripe indicates that there is no pregnancy, and the appearance of two stripes indicates that there is a pregnancy.
If a woman wants to conduct a control study, for example, when she receives a second stripe that is too pale, then it is recommended to wait two days, and then test again. To improve the accuracy of the study, you need to take the first morning urine sample, since it is the most concentrated, and it will contain more hCG hormone.
Evitest Proof manual
This test system is represented by a cassette, which must first be removed from the individual packaging. Also, a pipette must be included with the cassette.
The urine should be collected in a container, lower the pipette into it and take the liquid. Then, using a pipette, it is introduced into a special round-shaped window, which is located on the test cassette. At the same time, the device itself must lie on a flat and dry surface. The study requires no more than 4 drops of urine.
The result can be assessed 3-5 minutes after the liquid is introduced into the window. However, 10 minutes after the procedure, it may change, but its reliability is violated.
Evitest Perfect manual
This device is inkjet. Therefore, you do not need to collect urine in a container to use it. It is enough just to free the test tip from the protective cap and place it under the stream of urine for 3-5 seconds. Then the cap is returned to its place, and the device is laid out on a flat and dry surface. The result is assessed after 5 minutes, but no later than 10 minutes later.
Recommendations for use
To get the best results from your research, the following tips for using Evitest devices should be considered:
- The same test cannot be operated twice. All Evitest products are disposable.
- Do not evaluate the results of the test performed later than 10 minutes after urine exposure to the device.
- The tests must be stored at a temperature not higher than +30 and not lower than +5 ° C Celsius.
- Devices that have expired cannot be used.
- Avoid drinking a lot of liquids before testing.
- If a preliminary collection of urine in a container is required for the testing procedure, then it is worth choosing a plastic or glass container, and at the same time it must be clean.
- If the test was accidentally overexposed or its results could not be evaluated within the first 10 minutes, then it may give out inaccurate information.
Could Evitest pregnancy test be wrong?
Although Evitest tests are highly accurate, sometimes the result can be false positive or false negative, even if the instrument itself is in good working order and all the rules of its operation are followed.
So, a false negative result can be obtained when the test was performed too early or urine with a low concentration of hCG was used to perform it. It is also possible if women have kidney disease, which contributes to the difficult excretion of the hormone in the urine.
A false-positive result is most often due to a recent miscarriage or abortion, or a woman's hormone-producing tumor. Also, the test may give false information about pregnancy while a woman is taking medications containing chorionic gonadotropin in its composition. These drugs are most often used to treat infertility.
In the event that a woman has doubts, she needs to retest. If the result is still unsatisfactory, it is recommended to consult a doctor for advice.
The author of the article: Lapikova Valentina Vladimirovna | Gynecologist, reproductologist
Education: Diploma in Obstetrics and Gynecology received at the Russian State Medical University of the Federal Agency for Healthcare and Social Development (2010). In 2013 completed postgraduate studies at N. N. N. I. Pirogova.
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