Screening of potential sperm bank donors. February 26, at 8: Archived from the original PDF on Unfortunately, we do not offer extended or late-evening hours. A guide for parents. Archived copy as title Articles needing additional references from August All articles needing additional references All articles with unsourced statements Articles with unsourced statements from December Articles needing additional references from December Wikipedia articles needing clarification from December Articles with Curlie links.
Sperm donation is the provision or "donation" by a man known as a sperm donor of his sperm known as donor spermprincipally for it to be used in the artificial insemination of a woman or women who are not his sexual partners for the purpose of achieving a pregnancy.
What Does it Take to Become a Sperm Donor?
In the US, sperm banks maintain lists or catalogues of donors which provide basic information such as racial origin, skin color, height, weight, color of eyes, and blood group. In the UK, the National Gamete Donation Trust  is a charity which provides information, advice and support for people wishing to become egg, sperm or embryo donors. A guide for parents. The number of donor samples ejaculates that is required to help give rise to a child varies substantially from donor to donor, as well as from clinic to clinic. When the compensation was reduced to the previous level DKK again one year later in there was no effect either. Mayo Clinic, Rochester, Minn. By finding shared donor numbers, offspring may find their genetic half-siblings.