Whether or not you can have intercourse a few days before the pre-pregnancy examination depends on the specific examination program to decide, it is generally recommended that it is best not to have intercourse. If the pre-pregnancy test is simply to do blood and urine routine, liver and kidney function, nail function and other tests, a few days before the test coitus will not have an impact, you can have a normal sex life. However, the pre-pregnancy examination generally also needs women to do routine leukorrhea, mycoplasma and HPV and other tests, 3 days before the examination, it is best to avoid sexual intercourse, so as not to affect the accuracy of the results of the examination. Furthermore, men should avoid sexual intercourse for 2 to 5 days before the semen routine test. There are many pre-pregnancy checkups, it is best to avoid intercourse a few days before the checkup to prevent affecting the accuracy of the checkup program, such as already have intercourse can first do the routine checkups, the affected checkups can be done later.