It’s okay to use nighttime urine for pregnancy tests. Pregnancy tests are mainly used to detect early pregnancy, can be used at any time of the urine, as long as the urine has chorionic gonadotropin (HCG) can detect pregnancy, but the morning urine is more concentrated, the concentration of HCG is relatively high, the accuracy will be a little higher, so the pregnancy test with the urine at night is also OK. You need to use the pregnancy test according to the instructions, and make sure that the test is within the validity period and has no quality problems, so that the test results will be more accurate. The pregnancy test can be used after the delay of menstruation, if you want to know more about pregnancy, you can also go to the hospital 10 days after intercourse to do a blood test, so that you can know whether you are pregnant earlier.