B

Baroness Merron (Lab)

Speaking in the House of Lords on 20 January 2025

Debate

First-cousin Marriage

Contribution

I thank the noble Lord for his support in this area, which is indeed sensitive. The statistics he quotes are quite right. It is of course an interesting reflection that the risk of genetic abnormalities does not just double from 3% to 6% in those infants whose parents are first cousins, but also doubles in older white British mothers—I am a bit worried about saying “older” because it is actually over 34. However, the point is well made that it is not just this group. NHS England has recently published guidance to improve the recording of national data on closely related couples, so I hope that noble Lords will find this of interest as we go along. But of course, there has also been much investment in research as well as data development, and I absolutely agree that data is what has to drive us.

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