Can I use a test strip to detect pregnancy a few days after having sex?

As we all know, with the increasing pressure of work and life, many young people are unable to get pregnant. When having sex, they must choose the right time. After having sex, many people are eager to know whether they are pregnant. So, can they use test strips to test whether they are pregnant after a few days of sex?

Generally speaking, you can test yourself 7-10 days after having sex. You can test pregnancy by testing morning urine with early pregnancy test strips or pregnancy test sticks. The longer the time after sexual intercourse, the more accurate the test will be. In short, you can test whether you are pregnant within one week after having sex, or about three weeks at the latest.

In the early stages of pregnancy, women will experience a series of early pregnancy reactions such as dizziness, nausea, sleepiness, and breast swelling. These reactions usually become more obvious 10-14 days after pregnancy and disappear on their own after three months. Therefore, if a woman has the above symptoms, she can use early pregnancy test strips and pregnancy test sticks to test pregnancy.

The principle of pregnancy test is to test the hCG value, that is, the value of human chorionic gonadotropin. This hormone will be metabolized into urine through the blood circulation system of pregnant women. Early pregnancy test strip pregnancy test is a relatively convenient and easy way to detect early pregnancy. This type of hormone is produced by the embryo and usually appears in the urine immediately after a few days of pregnancy. However, due to the small amount, it is not easy to test it at the beginning, and it will become increasingly obvious from 10 to 14 days. Seeing a doctor for a blood test can also measure hCG levels and is more accurate.

Common problems with pregnancy test strips

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

If pregnancy has just begun, or there is a possibility of ectopic pregnancy (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 analysis must be made to see if there is a weak positive - the test area is only faintly visible.