By Rachel Bowlby
The negative line about the new baby-making procedure is most often countered in these arguments by pointing out how negligible, in reality, is the contribution of the shadow third party. All that happens is that a dysfunctional aspect of the (principal) mother’s DNA is, as it were, written over by the provision of healthy mitochondrial matter from the donor. This means that the resulting baby will not go on to develop debilitating hereditary diseases that might otherwise have been passed on. The handy household metaphor of ‘changing a battery’ is much in use for this positive line; the process should be seen as just an everyday update. But the way that the argument is made—presenting the new input as a simple enabling device—reveals a need to switch off any suggestion that this hypothetical extra parent has any fundamental importance. The real identity of the future child must be seen to come from a primary mother and father, and them alone.
According to the established facts of life, it might seem obvious enough that a baby has two biological parents, and that the contribution is distributed between them with the god-given genetic equality of exactly twenty-three chromosomes each. But that is to forget a third biological element, the female body in which the new baby grows from conception (or just after, in the case of IVF) to birth. This used to be elided in the obvious certainty of maternal identity: if a woman gives birth, then the baby is ‘biologically’ hers — she was pregnant, the ovum came from her. (Whereas a father, until DNA testing, was always uncertain—pater semper incertus est, in the legal phrase—in the sense that there was no bodily evidence of any particular man having engendered any particular child.) But modern medical science has brought about the practical as well as the theoretical separation of egg and womb, breaking up what had previously appeared as—and still usually is—one single biological mother.
Twofold motherhood plays out in various possible scenarios. Conception outside the womb—in vitro fertilization—leads to the possibility of a woman giving birth to baby of which she is not the genetic mother. Depending on whether that baby is going to become the (postnatal) child of the birth mother or else of the woman whose body provided the egg, this pregnant woman will be referred to as either the mother or the surrogate. Or, to tell the same story from the genetic point of view, IVF leads to the possibility of one woman’s egg making an embryo which develops in another woman’s womb. Depending on which of them is to raise the child, she will be regarded as either the egg donor or the mother (who used a surrogate).
In all these scenarios—two in reality, four in story—biological motherhood is already divided between two women, with one or other element—the egg or the pregnancy—emphasized, depending on which of them is to become, in practice, the baby’s mother. In other words, biologically three-parent babies are nothing new (or only as new as IVF). But the drive is always towards the subordination of one maternal biological contribution so as to validate the other (and to remove the risk that the discounted proto-parent, the donor or the ‘gestational carrier’, might have any postnatal responsibilities or rights). This is what is happening again with the latest controversy over the additional mitochondrial ‘mother’. Biological parenthood is what is sought, but the biological element can have more than one definition, more than one physical manifestation.
The invention of reproductive technologies has had the odd effect of reinforcing—if it did not generate—a belief that the child of one’s own, that object of desire, should be above all the ‘biological’ child of those who seek to ‘have’ it. In one way this contemporary valorization marks a bizarre departure from earlier modern times when the bodily part of parenthood was something that women more often sought to be free from. In A Vindication of the Rights of Woman, at the end of the eighteenth century, Mary Wollstonecraft urged her fellow women to think of themselves as something above mere reproductive organisms, ‘born only to procreate and rot’. Wollstonecraft considered motherhood to be one of the privileges of being a woman. She was also a passionate advocate of maternal breastfeeding at a time when women regularly paid other women to take on that physical aspect of motherhood; wet-nurses are another example of supplementary mothers. But even so, she vehemently rejected the notion that having babies should be thought of as the be-all of human female lives. Procreating and rotting is what plants and animals do: purely biological parenthood.
Rachel Bowlby is Lord Northcliffe Professor of English at University College London. Her new book is A Child of One’s Own: Parental Stories, which offers fresh angles and arguments for thinking about parenthood today.
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Image credit: Ovum Cold Color (in vitro fertilization). By ktsimage, via iStockphoto.
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