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NOTE: Information shown below has been voluntarily submitted by individuals interested in establishing mutually desired contact between half-siblings and/or donors (genetic relatives).

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The Sperm Bank of California (TSBC)


Reproductive Technologies, Inc. Also, Northern California Sperm Bank (located in Oakland) is now known as the Sperm Bank of California (now located in Berkley). Both banks are listed on the DSR. In addition to utilizing our Medical Update page, this bank would like recipients and donors to report medical issues to them.

Donor ID & Info Offspring / Contact Info
Donor ID: 4176
  • Female born Mar 16 2011
  • Male born Jul 3 2013
  • Posted 01/21/16
  • Updated on 01/20/16
  • parent
  • Started donating Sep 2008.
    Sperm Donor
  • Female born Dec 2009
  • Male born Dec 2009
  • Posted 10/01/15
  • Updated on 09/30/15
  • sperm_donor Has Donor Survey
  • Male born May 2012
  • Male born May 2012
  • Posted 12/31/13
  • Updated on 01/19/16
  • parent
There are a total of 6 offspring, 6 sibling matches, and 5 donor to offspring matches for this donor.