# The Human Fertilisation and Embryology (Mitochondrial Donation) Regulations 2015, Regulation 3: Permitted egg


An egg (“egg P”) is a permitted egg for the purposes of section 3(2)(b) of the Act if—
(a) egg P results from the application of the process specified in regulation 4 to two eggs, each of which—
(i) is a permitted egg as defined in section 3ZA(2) of the Act (not an egg which is a permitted egg by virtue of these regulations), and
(ii) was extracted from the ovaries of a different woman;
(b) that process has been applied to those eggs in the circumstances specified in regulation 5; and
(c) there have been no alterations in the nuclear or mitochondrial DNA of egg P since egg P was created by means of the application of that process.

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Source: https://www.legislation.gov.uk/ukdsi/2015/9780111125816/regulation/3 (the official version)
Page: https://openlegislation.uk/draft-human-fertilisation-and-embryology-mitochondrial-donation-regulations-2015/regulation-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.