Why pregnancy tests can be used to test if you are pregnant

The pregnancy test is based on the presence of human chorionic gonadotropin (HCG) in human urine. If the pregnancy test shows two lines on it, it is pregnant (positive).

HCG is a nootropic hormone secreted by the placenta of a pregnant woman, which is distributed throughout the body with the blood, thus acting on the target organs, and there is also a certain concentration of HCG in the urine. At present, most of the pregnancy test products on the market use the colloidal gold method, which qualitatively or semi-quantitatively detects HCG in the urine according to the principle of double antibody sandwiching, so as to determine whether you are pregnant. It is important to note that such pregnancy tests are not 100% accurate, and some diseases can also cause elevated HCG concentrations in the body, resulting in false-positive results.

Hello, to see if the pregnancy test stick is pregnant, the main thing is that the pregnancy test stick has a few red lines. If there are two red lines on the pregnancy test stick with the same color, it means that you are pregnant. If there are two red lines, one of which is lighter, it is possible to get pregnant.

The reason for this may be that the pregnancy is relatively short, there is a weak positive, the biochemical pregnancy can also be weakly positive, and the ectopic pregnancy can also be weakly positive. It is recommended to use morning urine after 3 days and test again. If it is still weakly positive, be sure to go to the hospital to have a blood draw for HCG.

If the pregnancy test shows only one red line, it means that you are not pregnant. Therefore, to test whether you are pregnant with a pregnancy test, the main observation is to see if there are several red lines and whether the color is the same.

Hello, if only one control line appears, it means that there is no pregnancy. There are two lines, that is, the control line and the test line are colored, and the test line is obviously clear, indicating that she is pregnant; If the control line is clearly clear and the test line is very light, it means that you may be pregnant, please use a new morning paper to collect morning urine and retest it every 2 days. Invalid:

If there is no control line within 5 minutes, the test is invalid or failed. If you are pregnant, it is recommended to take another test the next day, or go to the hospital for a check-up.

1. Whether the pregnancy test is successful or not is mainly to observe two lines, one is the control line, and the other is the detection line. If the control is now clear, but the test line is not, it is a negative result, indicating that there is no pregnancy. If the control line and the test line are purple-red and show positive, it means that you are pregnant.

2. If the control line is not displayed at all, then this result is meaningless, indicating that the quality of the pregnancy test tool used is unqualified. The principle of pregnancy test stick pregnancy test is to contain HCG antibody with chromogenic agent, women will produce HCG in the body after pregnancy, and then it can appear in female urine, pregnancy test stick is to detect the combination of hormones and antibodies in the urine, and the chromogenic agent will be colored when it reacts, so the pregnancy test stick shows two red colors indicating pregnancy.

A pregnancy test is one of the simplest and easiest tests to use urine as a test specimen to check whether you are pregnant, mainly by measuring the concentration of gonadotropins in the urine to see if you are pregnant. If the pregnancy test stick is two obvious horizontal lines, it means positive, which means that you are pregnant. The window area of the pregnancy test stick has T area and C area, C area is the contrast area, T area is the detection area, under normal circumstances, regardless of whether you are pregnant or not, there will be a red line in the C area.

If there is a second red line in the testing area, that is, the T-zone, whether the color is dark or light, it means that you are pregnant. Morning urine testing is generally recommended, which is relatively more accurate.

The first one is not the wrong way for you to cross that line.

So it didn't work.

The second had only one thread and was not pregnant.

Send us a question.

If you look for two roots, you are pregnant.

Question: I'm sure I'm not pregnant, so let's take a closer look, thank you.

Sure in the future, you assume that you are uncertain, there are a few, I used to be like this, sometimes it's just that the menstrual irregularity is delayed, and you just relax.

I'm a little long-winded, I wish you a happy life!

If the pregnancy test has two red bars, it means that you are pregnant, and if there is only one bar, then you are not pregnant.

If the red stripe comes out, it means that you are pregnant, and it tells you how to read it on the purchase manual, so you can refer to that.

Generally speaking, the two bars are pregnant, but the pregnancy test stick is not particularly accurate, so you still have to go to the hospital for a checkup.

If you find that you have a delayed or even stopped menstruation, it may be a sign that you are pregnant. At this time, you can choose to use an electronic pregnancy test at home or go to the hospital for a blood test, which is determined by monitoring the changes in the level of human chorionic gonadotropin in the pregnant woman's body.

The following is an introduction to how to use an electronic pregnancy test.

Tools & Raw Materials.

Electronic pregnancy test.

Methods and Steps:

1. Determine the testing time: first estimate on which day your menstrual period will start, and then test whether you are pregnant at any time on the estimated day; If you use it before your expected menstrual period (a pregnancy test can be done as early as 4 days before your expected menstrual date), be sure to test it with morning urine.

2. Operation method:

Remove the blue cap. It should be used immediately after removal to prevent contamination of the absorbent rod.

Place the absorbent stick facing down in the urine stream for 5 seconds.

After sampling, close the cap of the pen and lay the electronic pregnancy test flat to wait, at this time an hourglass-shaped symbol will flash on the screen to indicate that the pregnancy test is in progress;

3.Read the results.

Within 3 minutes, the electronic display will show the result of whether you are pregnant, and if you are pregnant, you can also show the number of weeks of pregnancy; In addition, the test results will be displayed on the electronic display screen for about 24 hours, and if Lu Zhu is "happy", he will have enough time to take pictures and share his "good pregnancy".

The above is about how to look at the electronic pregnancy test pen to check the experience of whether you are pregnant, I hope it can be helpful to all the little fairies who are experiencing a confused period.

It is natural for everyone to think that the two bars are because they are positive, that is, they are pregnant. But there is another condition that can also make the urine positive, and that is diseases such as tumors, which can also make the pregnancy test positive. In addition, improper use can also lead to erroneous results, i.e., the value of human chorionic gonadotropin.

This hormone is made by the placenta and usually appears in the urine after a few days of pregnancy, but due to the small amount, it is not easy to detect at first until 10 to 14 days before it becomes more apparent. Therefore, it is recommended that the test is better 10-14 days after the postponement of menstruation.

A few days after a woman becomes pregnant, this hormone will appear in the urine, and you can know the specific situation with just one test. However, I recommend that women who want to be tested should be tested after the menstrual period has been postponed for half a month (try to use the first urine in the morning), which will be more obvious at this time. If the expectant mother is not sure about the test strip and the result is not accurate, it is best to consult a doctor and complete the test under the guidance of the doctor.

If the test result is positive, but it is not obvious, the expectant mother can assume that she is pregnant and go to the hospital for a check-up in time.

Blood test HCG greater than 5 is pregnancy If the test strip parallel bar is more obvious, how can the HCG be greater than 1000, but the test strip is not 100% accurate, go to the hospital for a blood test to know Generally speaking, if you are pregnant, the HCG value in the morning urine is the highest, but there are exceptions, and some people will have a higher HCG value in the urine at night than in the morning urine. Later, I went to the hospital to have my blood drawn, and I was indeed pregnant.

In other words, by detecting HCG in human urine, a woman can be seen if she is pregnant. Under normal circumstances, after 7 days of successful conception, the HCG in the body begins to rise, therefore, when the woman has stopped menstruation for more than a week, or even longer, if it is an early pregnancy, urine HCG can be detected.

1. When the C line and the T line appear at the same time, it is pregnant. 2. If the C line is displayed alone, it is not pregnant (of course, it is not excluded that the fertilized egg implants late, and the detection limit of HCG has not been secreted into the pregnancy test stick) The detection limit of ordinary qualitative test strips is 25 miu ml, and the detection limit of semi-quantitative test strips is 10 miu ml, so semi-quantitative test strips can detect pregnancy earlier. 3. If neither line is displayed or there is only one T-line, the test result is invalid.

It depends on whether the pregnancy test stick is one red line or two red lines, if it is two red lines, then it means that you are pregnant, and at this time we should go to the hospital for a specific examination.

The two are pregnant, and if it is a little duller, it is also pregnant, but it is only for a short time.

After 28 days of menstruation, you can use a pregnancy test stick to check whether you are pregnant, and it is best to go to the morning urine to buy a pregnancy test stick during the examination, put it down for 5 seconds and then pick it up to observe, if there are two red bars, it means that you are pregnant.