Refrain from any sexual activity including masturbation for at least 2 days and no more than 10 days. Longer or shorter periods of abstinence may result in a lower sperm count or decreased sperm motility. A private room is available for semen collection within close proximity of our laboratory and is recommended for collection. The semen specimen should be obtained by masturbation.
Oftentimes, when couples are undergoing fertility treatments, semen samples are necessary. The best method for collection is masturbation without lubricant, but alternative methods are possible if masturbation is uncomfortable for you or prohibited in your culture or religion. While it is ideal to collect a semen sample in the fertility clinic without the use of lubricant, this may not be possible.
A Chinese company created a human sperm extractor several years ago. Among its many, quite obvious, "uses" is a "user-friendly" way of collecting sperm samples at health clinics, in countries where people may be too embarrassed to provide sperm samples in the, uh, old-fashioned way. So it is the best clinical equipment of sperm collection," the company proudly claims. It's not clear why having sex with a Dalek is less embarrassing than "doing the five dog dance" in the privacy of a clinic room, but they are undeniably popular.