Children with genes from three parents could be born within a few years, if a change in the law allows the technique to go-ahead.
The recent press coverage of single embryo transfer has left some patients confused as to whether having one or two embryos is the best option. If you do need some help to understand it then this commentary from the One at a Time Website might help.
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Find the support that is right for you
Read personal stories about coping with infertility
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