Using family members as gamete donors or surrogates
Intrafamilial gamete donation and surrogacy arrangements are generally acceptable, except when donation or surrogacy mimics true consanguineous or incestuous unions. Child-to-parent arrangements are generally unacceptable.
The Ethics Committee of the American Society for Reproductive Medicine
Vol 98, Issue 4, Pages 797-803
The use of intrafamilial gamete donors and surrogates is generally ethically acceptable when all participants are fully informed and counseled, but arrangements that replicate the results of true consanguineous or incestuous unions should be prohibited, child to parent arrangements are generally unacceptable, and parent to child arrangements are acceptable in limited situations. Programs that choose to participate in intrafamilial arrangements should be prepared to spend additional time counseling participants and ensuring that they have made free, informed decisions.
Read the full text at: http://www.fertstert.org/article/S0015-0282(12)00699-1/fulltext