Second, beforehand to rest sufficiently, prohibit smoking, alcoholism, etc.;
Third, before the extraction of sperm should be clean and hygienic, in accordance with the doctor's advice.
Lastly, there are computers in the sperm retrieval room, and there are movies inside that can help, so watch them as needed, and close them in time after watching.
This is the first time that a computer has been used for sperm collection.