How to use early pregnancy test strips?Expert interpretation: What are the factors that affect the test results?

If the women of childbearing age, if they are tired, do not come, and frequent urination, it means that you may be pregnant.Without the correct usage of early pregnancy test strips, it is easy to affect the accuracy of the test results.Below, please see the comprehensive interpretation of the experts from the Shenyang Hospital Hospital for early pregnancy test strips.

How to use early pregnancy test strips?Expert interpretation: What are the factors that affect the test results?

Generally, the sperm will go to bed 3 to 4 days after the same room. The fertilized eggs will be connected to the uterus through the placenta, so that the placenta will produce HCG, which will appear in the urine of people.At the beginning, the concentration was very low. The early pregnancy test strip could not be detected, or the two bars are tested, or the light may be very light, and it is almost invisible.If ovulation and bed are delayed, the test time will be delayed.

Generally speaking, after menstruation, the urine HCG (test strip) can test the results in about 30 days. The blood HCG can test the results in about 28 days. If the testing time is too early, it will affect the result. It is best to go to the hospital for examination and confirmation in time.

How to use early pregnancy test strips?Expert interpretation: What are the factors that affect the test results?

1. Before the early pregnancy test, you must first read the instructions for the use of use. Before use, restore the reagents and urine sample specimens to room temperature (20 ° C-30 ° C).

2. Take the reagent bar from the original packaging aluminum foil bag and should be used as soon as possible within 1 hour.

3. Insert the reagent bar into the urine specimen according to the direction of the arrow.Note: The urine liquid surface cannot exceed the marking line of the reagent bar.Take it out for at least 5 seconds and observe the results on the clean and flat countertop.

4. Waiting for the emergence of the purple -red strip, the test results should be read in 3 minutes.After 10 minutes, the judgment is invalid.

5. Early pregnancy testing test paper invalid: The quality control area (C) No purple -red band appears, indicating that the incorrect operation process or the reagent bar has been deteriorated.

6. Early pregnancy test paper negative (-): Only a purple-red strip appears only in the quality control area (C). There is no purple-red strip in the test area (T), indicating that it is not pregnant.Pregnancy test paper positive (+): Two purple -red strips appear.One is located in the test area (T), and the other is located in the quality control area (C), indicating that it is pregnant.

How to use early pregnancy test strips?Expert interpretation: What are the factors that affect the test results?

1. Tests in the morning and evening may have an impact

Many early pregnancy test strips suggest that it is recommended to use the first minor urine for the first time early, because the HCG value in the morning urine is relatively high, and the test results are more accurate.

2. If time is too early, it will be not allowed

HCG generally appears in the urine after a few days of fertilized eggs, and it can be detected to be detected.Therefore, for women who usually do normal menstruation, HCG may be detected in urine after delayed menstruation. If a woman with a long menstrual cycle or abnormal ovulation, it is necessary to detect it at 40-44 days.

3. The degree of urine dilution is related

If women drink too much water before testing, the dilution of urine can cause false negative results. If you do not pay attention to the length of urine immersion test strip during testing, it will make it difficult for the test results to judge.

4. The positive result is not necessarily normal pregnancy

If women have ectopic pregnancy, there are 60%positive rate during pregnancy tests, so it is only based on the positive results, and it cannot reveal whether it is normal or ectopic pregnancy.If women are positive according to the early pregnancy test strip, it is extremely unsafe to do drug flow.

In addition, many women with pituitary disease, hyperthyroidism, ovarian cysts, endometrial hyperplasia, and uterine cancer are positive when detecting early pregnancy test strips.There are also a few menopausal women’s early menopause or gynecological patients during treatment, which will also be falsely positive due to endocrine disorders or medication.

For more than ten years since the establishment of Shenyang Hospital Hospital, there are countless reputation and have several gynecological experts with digital clinical experience.If you have symptoms of early pregnancy or the result of early pregnancy, you must go to a regular medical institution for a systematic examination in time.Whether it is intended to protect or get a fetus, you must make a decision as soon as possible.For more questions about early pregnancy tests, you can pay attention to the WeChat public account "Shenyang Provincial Hospital Hospital". Experts answered questions online. You only need to reply to Number 6 to consult for free.

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