Old consent and new developments: health professionals should ask and not presume

We thank Lucy Frith for her thought-provoking response1 to our paper, where we argued that it would be ethically acceptable to contact an anonymous egg donor to help facilitate diagnostic genetic testing for a donor-conceived child.2 While we read Frith’s commentary with interest, we still think that the egg donor should be contacted in the case that we describe. Frith raises concerns as to whethe…