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Research Involving Human Embryos Regulations 2017
7FDefinition of first polar body transfer
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7F Definition of first polar body transfer
First polar body transfer is a technique that involves taking the following steps, without intentionally modifying any nuclear DNA or mitochondrial DNA: (a) removing the first polar body from a human egg (egg A) of a woman; (b) removing the maternal spindle from a human egg (egg B) of a different woman; (c) fusing the first polar body to, or implanting the first polar body into, egg B; (d) fertilising egg B with a human sperm to create a zygote.