Published online by Cambridge University Press: 05 August 2012
Definition and prevalence
Intra-family donation is gamete donation between family members of various degrees of blood or kin relationship. Most intra-family donation involves intra-generational donation between siblings or cousins, most commonly egg donation between sisters or sisters-in-law. Less frequently there is intergenerational donation: usually father to son, daughter to mother or niece to aunt.
There is little data on the prevalence of intra-family donation. Surveys conducted in North America report only the types of intra-family donation that are accepted in the participating centres but provide no information on the number of requests or actual procedures performed (Marshall, 2002; ASRM Ethics Committee Report, 2003). Similarly, the International Committee on Monitoring Assisted Reproductive Technologies (ICMART), which collects data from national IVF registers, does not collect data on specific types of donation. In the early days of IVF egg donors tended to be known. Some US fertility experts advocated sister-to-sister donation rather than anonymous donation (Lessor, 1993). Studies at that time reported positive attitudes towards egg donation by sisters among infertile couples (Sauer, 1988) and the broader public (Lessor, et al., 1990).
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