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Response to Spriggs: Is conceiving a child to benefit another against the interest of the new child?
  1. M Delatycki
  1. Correspondence to:
 M Delatycki
 Bruce Lefroy Centre for Genetic Health Research, University of Melbourne, Melbourne, Australia;

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Preimplantation genetic diagnosis—the risks are unknown and human dignity could be compromised

Merle Spriggs argues that there are no good reasons to prevent a couple utilising preimplantation genetic diagnosis (PGD) when the sole aim of the procedure is that the resultant child is a compatible umbilical cord blood donor for a sick sibling.1 I agree with much of the argument to support this, however, I believe Spriggs has omitted one important point and underplayed another.

The risk of PGD to the child born as a result of this process has not been fully studied. Therefore the parents are exposing the child to potential …

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