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Methods of semen collection from humans include: Masturbation, directing the sample into a clean cup. [6] This is the most common way to collect a semen sample. [6] Sexual intercourse using a special type of condom known as a collection condom. [6] Collection condoms are made from silicone or polyurethane, as latex is somewhat harmful to sperm ...
Posthumous sperm retrieval (PSR) is a procedure in which spermatozoa are collected from the testes of a human corpse after brain death.There has been significant debate over the ethics and legality of the procedure, and on the legal rights of the child and surviving parent if the gametes are used for impregnation.
Testicular sperm extraction (TESE) is a surgical procedure in which a small portion of tissue is removed from the testicle and any viable sperm cells from that tissue are extracted for use in further procedures, most commonly intracytoplasmic sperm injection (ICSI) as part of in vitro fertilisation (IVF). [1]
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Sperm may be washed by density gradient centrifugation or by a "direct swim-up" technique that does not involve centrifugation. In normal semen samples, centrifugation causes no more DNA damage to spermatozoa than a direct swim-up technique. [2] Washed sperm is concentrated in Ham's F-10 media without L-glutamine, warmed to 37 °C (99 °F). [3]
Compared to samples obtained from masturbation, semen samples from collection condoms have higher total sperm counts, sperm motility, and percentage of sperm with normal morphology [citation needed]. For this reason, they are believed to give more accurate results when used for semen analysis.
Electroejaculation is a procedure used to obtain semen samples from sexually mature male mammals.The procedure is used for breeding programs and research purposes in various species, as well as in the treatment of ejaculatory dysfunction in human males.
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