Semen examination is the most basic, simple and important way for doctors to determine a man’s fertility. There are many things that you should pay attention to during a semen test. What can be done to make the semen test results more correct? It is best to abstain from sex for a certain period of time before coming to the hospital for semen examination. It is best to abstain from sex (no sex or masturbation) for 3-5 days before coming to the hospital for semen examination. This is because if the interval between semen collection is too short, the number of sperm and the volume of semen will decrease; if it is too long, dead sperm and abnormal sperm will increase. It is best to collect semen by masturbation method It is best to collect semen by masturbation method, which will ensure the integrity of the semen collected. Semen should not be collected using ordinary condom intercourse because condoms generally contain ingredients that can kill sperm, and semen collected in this way affects the analysis of sperm motility. Semen should be taken intact When taking semen, use a non-toxic, sterilized container with a large opening (usually provided by the hospital) and be careful not to spill semen outside. If the semen taken is incomplete, it is difficult to make a proper judgment of the semen. Although semen testing is a common test for men, there are still many things to be aware of. By familiarizing yourself with these semen examination precautions, you will be able to prevent and treat male infertility more adequately.