Can having sex before menstruation detect pregnancy?

How long does it take to detect pregnancy? Many sisters who are preparing for pregnancy have been looking forward to it after having sex, wishing they could know immediately whether they are pregnant after having sex. However, pregnancy cannot be detected in a short time. When is the most scientific and standardized time to test and which method to use? The following editor will analyze various pregnancy test methods for you.

Summary of pregnancy test methods

1. Blood test. How to detect pregnancy through blood test: check the HCG concentration in the blood.

How long does it take for a blood test to detect the result: The HCG pregnancy test can detect an increase in β-HCG in the blood from the 9th to 11th day after fertilization. In other words, pregnancy can be detected through a blood test as early as the 9th day of pregnancy.

2. Urine test

How to detect pregnancy by urine test: Check whether there is HCG in the urine. A negative result indicates that you are not pregnant, and a positive result indicates that you are pregnant.

How long does it take for urine test to be detected? The amount of HCG in urine can only be detected when it reaches a certain level, and if the test is too early, the amount of HCG in the urine may not reach a sufficient level to make the result positive. If you use urine to test for pregnancy, HCG can usually be detected at least one week after menstruation. In other words, you may not be able to find out whether you are pregnant through a urine test until your menstruation is delayed for a week.

3. Early pregnancy test strips, pregnancy test strips

When using, add 5 drops of freshly filtered urine supernatant into the test hole on the test paper and observe the result with human eyes after 5 minutes. If only one printed band appears in the comparison area of ​​the test paper, it indicates that you are not pregnant. If obvious printed bands appear in both the test area and the control area, it indicates a positive result, indicating pregnancy. If there is no color band in the comparison area, the test paper is invalid.