Is the pregnancy test accurate 20 days after sex?

Nowadays, the methods used are becoming more and more convenient. Not only can we check whether we are pregnant through hospital examinations and Chinese medicine pulse diagnosis, but we can also easily check whether we are pregnant by using pregnancy test sticks. However, because many women do not grasp the time to test for pregnancy, they often cannot check whether they are pregnant. It is necessary to understand in detail how to use pregnancy test sticks and the results of pregnancy test sticks, so that we can better understand the methods of testing and judgment.

A pregnancy test stick is a tool used by women to detect whether they are pregnant. The principle of the pregnancy test stick is to detect human chorionic gonadotropin (HCG) in human urine. If two lines appear on the pregnancy test stick, you are pregnant (positive).

Testing time

Although pregnancy test sticks can detect whether you are pregnant, I still want to give some tips to female friends who need to take pregnancy tests to improve the accuracy of pregnancy test sticks. First, try to use the first urine in the morning for testing, because hormone levels are easiest to detect at this time. Do not drink too much water to increase urine production, as this will dilute hormone levels. Some medications may affect the results of the test, so be sure to read the label instructions carefully.

How to use

1. Tear open the aluminum foil bag along the notch before use and take out the pregnancy test stick;

2. Put on the disposable plastic film gloves included in the box, hold one end of the handle of the pregnancy test stick tightly with your thumb, and tilt the end of the urine suction hole downward. Note that the observation side of the pregnancy test stick should face downward, and the plum blossom pattern direction should face upward;

3. Aim at the urine-absorbing hole on the side of the pregnancy test stick and urinate, allowing the urine to pass through the urine-absorbing hole, and maintain the urine collection time for 1 to 2 seconds (please note that urine should not wet the observation window when collecting urine! Otherwise, the pregnancy test stick will become invalid);

4. Then turn the pregnancy test stick over so that the observation window is facing upwards, and continue to hold the pregnancy test stick at an angle. When you see purple-red liquid crawling across the observation window, purple-red lines will appear on the observation window within 1 minute. The pregnancy result can be read after 1 minute, and the non-pregnancy result must be confirmed after 3 minutes. The result read after 5 minutes is invalid! Urine samples at any time are suitable for pregnancy test sticks. If you are in early pregnancy, morning urine is best.

Results

1. Not pregnant: Only one control line appears, indicating no pregnancy.

2. Pregnancy: If two lines appear, that is, both the control line and the test line are colored, and the test line is obviously clear, it means that you are pregnant; if the control line is obviously clear and the test line is very light, it means that you may be pregnant. Please collect morning urine with a new morning paper and retest every 2 days.

4. Invalid: No control line appears within 5 minutes, indicating that the test is invalid or failed.