means whereby a third party is involved in the process (egg donors, sperm donors, surrogate mothers, etc.). Callahan begins by looking at the ethical problems associated with technological reproductive efforts. He looks at the arguments of those who favor this approach by saying that most consider that as long as all parties are in agreement, and due process, informed consent, and the signing of contracts are followed by consenting adults, then there is no problem with this approach. Under these circumstances, surely the burden of proof lies with tho
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