Women who have not delayed their menstrual period can also detect pregnancy, detecting early pregnancy, the time for different people to detect is different, some people are still 3-4 days from their menstrual period, the use of early pregnancy test paper or laboratory tests can be detected, and some people may be relatively late, need to delay the menstrual period for a few days before being able to detect it. The result of the test is directly related to the usual menstrual cycle and ovulation. When ovulation occurs early, early pregnancy occurs after sexual intercourse, and the fertilized egg will be deposited earlier, so the result of the pregnancy will be detected earlier, on the contrary, when ovulation occurs late, the time of detecting the pregnancy will be delayed in the future, and the time varies greatly, and it can even reach about a week. Usually, if you want to detect early pregnancy after having sex, you can start to use early pregnancy test strips to test the urine about 12-13 days after having sex, and the results may be available earlier.