The first UK ‘womb transplant’, carried out by Richard Smith’s team in Oxford and announced at the end of August, understandably gained a lot of press coverage and was heralded by some as the ‘dawn of a new era’. In fact, the first uterus transplant […]
Recent blog posts written by Trevor Stammers

Mitochondrial manipulated births: a muted reception
For a prospect anticipated for almost 20 years, the announcement in a Guardian exclusive of the successful birth of one or more babies from one or other technique of what is usually termed mitochondrial donation therapy (MDT) had a more muted reception the following day […]

When is a ‘synthetic’ embryo a real embryo?
Embryonic stem cell-derived embryos (ESCDEs) have been around for a long time. Last year, an ESCDE, assembled from mouse cells in vitro, replicated natural mouse embryo development in utero up to day 8.5 post-fertilisation. In mouse gestation terms, this amounts to the completion of gastrulation […]

‘Of Mice and Men’
The Second International Summit on Human Genome Editing in 2018 really hit the headlines when Prof He Janjkui announced he had carried out heritable genome editing of twin girls in China to make them more resistant to HIV infection. In contrast, the Third International Summit […]