Is the early pregnancy test strip accurate, is the early pregnancy test strip accurate

High, but to measure the first urine in the morning more accurately, buy a test strip to measure.

The accuracy of the values produced by regular manufacturers is generally very high.

Most of the judgments of the first trimester test are accurate, but there is a possibility of false positives and false negatives in individual cases.

To determine whether to be pregnant, in addition to judging by the test strip, if you want to clearly and accurately judge whether you are pregnant, it is recommended to go to the hospital to draw blood to monitor the blood HCG, or do ultrasound examination in early pregnancy to determine whether the real pregnancy exists, the early pregnancy test strip can provide a clinical guidance, but the accuracy rate is not 100%.

In order to improve the accuracy of the test strip, women must read the instructions carefully before operating. After reading the instructions, go to the toilet to urinate and collect the urine in a cup. Immediately after that, take out the test strip, place the test strip in the urine cup, and take the test strip out after 30 seconds.

Place the test strip on a clean table and observe the test results on the test strip.

After three minutes, the woman was able to see the results. If the test strip has two reds on it, there is a high chance of pregnancy. If there is only one red strip on the test strip, it means that you are not pregnant.

Some women find that the color on the test strip is not particularly clear when using the pregnancy test strip, which is likely to be caused by a mistake. Women can re-test with a new pregnancy test strip.

Are pregnancy test strips accurate? According to experts, the rate of correct testing of pregnancy test strips varies widely, ranging from 50% to 98%. The main factors affecting the accuracy of the test strip are as follows:

1. Doing the test in the morning and evening may have a certain impact on the results. Morning urine generally has the highest HCG value, so many instructions recommend testing in the morning, but this is not absolute.

2. Time of detection: HCG generally appears in the urine a few days after the fertilized egg is implanted, and it can only be detected if it reaches a certain amount. Therefore, for normal menstruation'Women need to wait until their menstrual period is delayed to detect HCG in their urine.

Women with long menstrual cycles or abnormal ovulation can only be detected after 40-44 days of menstruation.

3. Urine dilution: If you drink too much water to dilute your urine, it may lead to false negative results.

4. Pay attention to the length of the urine immersion test strip during the test. Sometimes, the length of the urine immersion test strip is too long, which can make the test result difficult to judge.

It is important to note that positive reactions can also occur in pathological situations, such as ectopic pregnancy, molar pregnancy or chorionic carcinoma. Therefore, after the pregnancy test is positive, you should also go to the hospital for confirmation.

How to improve the accuracy of pregnancy test strips? Once a woman becomes pregnant, a pregnancy test strip can be used to quickly test her urine for a specific hormone, human chorionic gonadotropin (HCG), to determine whether she is pregnant. This test has the advantages of being fast, convenient, sensitive, and specific, but it should not be taken lightly because when using a pregnancy test strip for self-testing.

If you don't pay attention to some unexpected circumstances, there is a possibility of false negatives or false positives.

So, how to improve the accuracy of pregnancy test strips?

1. Pay attention to the date of production on the packaging box, and do not use expired early pregnancy test strips.

2. Read the manual carefully before doing the self-test, and then carefully follow the instructions.

3. The accuracy of early pregnancy self-test in the evening will be more or less affected, while the morning urine will test more accurate results.

4. Many early pregnancy test strips indicate that women can take early pregnancy self-tests after missing their normal menstrual period l-2 days. If the self-test result is negative and you still have no menstruation after a week, you should take another self-test.

5. If the pregnancy has just begun, or there is an ectopic pregnancy such as ectopic pregnancy, etc., the urine to be tested needs to stand for more than 3 minutes (generally only 1 minute), and carefully identify whether there is a weak positive, that is, the color of the detection area is lighter than the color of the control area, or only faintly appears.

6. Pay attention to positive self-test results caused by non-pregnant factors, such as blood in the urine, endometrial hyperplasia, ovarian tumors, recent pregnancies, overdue miscarriages or incomplete abortions, etc.