Single mothers and lesbian couples are more likely to disclose from a young age. This clinic helped conceive 1, babies of which Mary Barton's husband, Bertold Weisnerprobably fathered about A Parliamentary Commission agreed. Your IVFAustralia donor team and counsellor will help guide you through these to ensure you make an informed decision. Sperm banks also screen out some potential donors based on height, baldness, and family medical history. See Sperm donation laws by country. Most sperm donors only donate for a limited period, however, and since sperm supplied by a sperm agency is not processed into a number of different vials, there is a practical limit on the number of pregnancies which are usually produced in this way.
A website called Anonymous Us  has been set up where they can post details of their experiences anonymously, on which there are many accounts of problems.
Becoming a Sperm Donor - Frequently Asked Questions
Procedures of any kind, e. Donors were informed that up to ten births could be produced from their sperm, but the words 'other than in exceptional circumstances' in the consent form could potentially lead to many more pregnancies. Providing the result is negative, the sperm samples can be released from quarantine and used in treatments. Despite laws limiting the number of offspring, some donors may produce substantial numbers  of children, particularly where they donate through different clinics, where sperm is onsold or is exported to different jurisdictions, and where countries or jurisdictions do not have a central register of donors. Artificial insemination Cryopreservation embryos oocyte ovarian tissue semen Gamete intrafallopian transfer Reproductive surgery Vasectomy reversal Selective reduction Sex selection Surrogacy. Jewish thinkers hold a broad range of positions on sperm donation. Even in the case of anonymous donation, some information about the donor may be released to recipients at the time of treatment.