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What makes a parent? It’s not black or white
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  1. G Fuscaldo
  1. University of Melbourne, Australia
  1. Correspondence to:
 G Fuscaldo, Centre for The Study of Health and Society, University of Melbourne, 209 Grattan Street, Parkville, Victoria 3010, Australia;
 g.fuscaldo{at}pgrad.unimelb.edu.au Need full postal address

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The advent of IVF and advances in reproductive technologies largely reflect the importance in our society of biological parenthood and genetic kinship. As illustrated in the controversy piece by Merle Spriggs,1 however, the same technology has confused our understanding of what makes a parent.

An embryo mixup in Britain has resulted in a white couple giving birth to two black twins. Genetic tests have established that the wrong sperm was used to inseminate the ova of the white woman who gave birth to the twins. The two couples involved are apparently both seeking custody. Who should have parental rights and responsibilities for the twins?

While once it may have been obvious who a child’s parents were and who had obligations and claims with regard to children, the separation of genetic, gestational, and nurturing roles now makes it impossible to “discover” who is the real parent. As Ruth Macklin points out, the question: “Which role should entitle a woman to a greater claim on the baby in the case of a dispute?” is a moral question which cannot be answered by discovery, say through a blood test, but is a matter for decision.2 Which are the morally relevant factors and which have the greater moral weight with respect to claims over children? The same questions plague child custody disputes following disagreements between gestational surrogates and commissioning parents, same sex partners and gamete donors, and adoptive versus biological parents.

Many authors have grappled with these questions and the literature reveals at least four different accounts for the basis of parental rights and duties.

BIOLOGY

Perhaps the most intuitively appealing accounts of what defines parenthood and the most historically prominent are biological and reflect the view that a child belongs to, or is the flesh and blood of, its biological parents.3 Difficulties arise in disputes between genetic and gestational parents because both have a biological investment in a child of their union. While the size of the physical contribution from the gestational parent is certainly greater than that from the progenitors, the fact that children share their genetic parents’ blueprint, and that of a long line of kin, is also claimed to be significant.4 Arguments over the relative importance of different biological investments in children (size v type) have failed to elucidate which factor is overriding and indeed why either entails “ownership” or parental rights and duties.5

CONVENTION

It is often argued that in modern individualistic societies we have overemphasised the importance of biological relatedness. Anthropologists remind us that there exist many cultural groups with different parenting conventions—for example, where fosterage and surrogacy are not uncommon or where children are seen as a communal responsibility.6 Even in our own culture it is argued that the many successful examples of couples who adopt or form blended families following divorce, show that biology is not the sole or the most important determinant of parenthood.7 But the problem with a cultural account of parenthood and the apparently intractable nature/nurture debate, is that it is not at all illuminating in terms of who should have parental rights in the event of a dispute which challenges the current convention, as does the latest IVF mixup.

CAUSE

A more prescriptive account for determining parenthood appeals to the claim that parents have rights and duties towards their children because they have caused them to exist.8 This is the type of reasoning that is used to justify paternity testing to assign child welfare payments to genetic fathers in the case of an unintended pregnancy. Although a causal definition of parenthood conforms with our moral intuitions with regard to recalcitrant fathers it does not follow that only a child’s genetic parents cause it to exist. It proves quite difficult where third parties are involved to explain who is the cause of a child’s existence. A causal account of parenthood fails to distinguish between genes, gestation, and intention since all are involved in the existence of a child, even if not all contribute the most proximal or essential feature.9

CHILDREN’S WELFARE

Attempts to assign parental rights and duties on the basis of what is in the best interests of children are also unsuccessful in resolving disputes between genetic, gestational, and intended parents. There is much current debate about the need for a child to know and be raised by his or her genetic parents.10 Evidence in support of claims that children raised in traditional genetically related families achieve better outcomes, has been presented across a range of criteria, including emotional and psychological identity, and educational outcomes.11 To date this evidence remains unconvincing. A growing body of evidence is also available denying these claims and in support of the view that it is the quality of nurturing provided rather than the biological or ethnic relationship or gender balance in the rearing family that is important for children’s welfare.12

What is clear is that many different features are sufficient to establish at least a prima facie claim to parenthood, but a coherent position on which of these is overriding in the case of competing claims has yet to emerge. It may be that this enterprise is doomed to fail because attempts to weigh up competing claims for parenthood are constrained by the historical and legal norm that a child have two, and only two parents (of the opposite sex).13 Clearly for many people genetic and gestational parenthood are very important, as evidenced by the great lengths to which they will go to achieve it. At the same time the meanings attached to raising unrelated children for those who undertake this, are no less profound. Perhaps it is time to relinquish the view that genetic, gestational, and social parenthood are competing positions. We could align the social facts with an acceptance of the new scientific facts—that a child can have many different parents.

In the case of the IVF mixup—parenthood is not black or white, but—black and white.

REFERENCES

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