If you have intercourse on the 5th, you can find out after the 15th if you are pregnant. Generally, it can be detected at the earliest more than 10 days after conception at the same room. You can test yourself with a pregnancy test stick or go to the hospital to take a blood test for HCG, and if you are not satisfied with the result, you can re-check it after a few days. Generally speaking, if the egg is successfully fertilized after intercourse, the HCG in a woman’s body will gradually increase, and generally after 10 days of intercourse, you can go for a check. If you have intercourse on the 5th, you can go for a checkup after the 15th. Patients can check pregnancy by self-testing with a pregnancy test stick or by taking a blood test for blood HCG at the hospital. If the pregnancy test stick shows two obvious bars or the blood HCG is elevated, it proves that the conception is successful. However, if the pregnancy test stick or blood HCG shows pregnancy and the patient is not satisfied with the result, the patient can review the test after a few days. Because the results may be inaccurate due to lack of time or a variety of factors, the patient can be retested.