"But He skirted around the ongoing ethics debates by conducting experiments in secret, only revealing his work after the birth of the gene-edited twin girls. According to He himself, his team edited embryos to delete a gene called CCR5, which should let the babies develop a natural immunity to HIV. But bringing those embryos to term has been explicitly banned, and immediately after the announcement, the Chinese government launched an investigation into these shady practices."
suggests "bringing those embryos to term has been explicitly banned" (but still only "shady practices" - make of that what you will)
However, is this relevant as per previous email by me and Chris Hibbert