Is it accurate to take pregnancy test at night?

Is it accurate to take pregnancy test at night?

Is it accurate to use pregnancy test strips to test whether you are pregnant at night? In fact, pregnancy test strips can only be used as the first screening to determine whether a woman is pregnant, because it cannot determine whether the patient is pregnant. When a woman encounters a weak positive result on the pregnancy test strip, it is best to go to the hospital for a B-ultrasound or hcg test to confirm whether she is pregnant to avoid misjudgment.

Is it accurate to test whether you are pregnant at night using pregnancy test paper?

Whether the pregnancy test paper is accurate depends largely on the detection method:

Before using the pregnancy test strip, try to read all the instructions on the gift box carefully. Some pregnancy test strips may specifically require a sample of the first morning urine.

1. Collect urine in a clean, dry container (urine at any time is suitable for this experiment. For example, in the early stages of pregnancy, the first urine in the morning is best).

2. Hold the test strip and dip the end with the arrow mark into the container containing urine. After about three seconds, remove it and set it aside. Observe the result within 30 seconds to 5 minutes.

Accuracy varies from brand to brand, with an average accuracy of 90%. The advantages of using pregnancy test strips to test pregnancy independently are that it is quick and convenient, highly accurate, and confidential. However, there is always a loophole. When using this method to test pregnancy, you must consider factors such as the time of pregnancy test, urine concentration, accuracy of menstruation, etc. Therefore, it is best to cooperate with a doctor's examination for more accuracy.

Commonly asked questions about pregnancy test strips

Many women use pregnancy test strips to do the most basic pregnancy test, but if the operation method is incorrect or the purchase is unscientific, it will affect the normal test results. Therefore, when using pregnancy test strips, you must pay attention to the following common problems in the use of pregnancy test strips.

1. If the pregnancy test paper you buy is stored for too long (more than 1 year), or if the pregnancy test paper is damp and not stored at normal room temperature (not refrigerated), it may become invalid and result in a false negative test result.

2. If pregnancy has just begun, or there is a possibility of ectopic pregnancy, the body's HCG level is generally slightly low. The test sample needs to be left alone for more than 3 minutes (usually only 1 minute), and careful identification must be made to see if there is a weak positive - the printed color band in the test area only appears faintly.

3. After three months of pregnancy, HCG levels decrease and urine tests may sometimes show negative or weak positive results.

4. In extreme cases, such as hydatidiform mole and choriocarcinoma, the body's HCG level will be too high and the urine test may not show a positive result.

5. A positive result does not mean 100% pregnancy. Because some tumor cells, such as hydatidiform mole, choriocarcinoma, bronchial carcinoma and renal cancer, can also metabolize HCG, there have even been patients with endometrial hyperplasia who tested positive for HCG.

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