# The Bovine Embryo Collection and Transfer Regulations 1993, Paragraph 7


Each embryo shall be washed at least 10 times in a special fluid for embryos which shall be changed each time.Each wash shall be a 100-fold dilution of the previous wash and a sterile micropipette shall be used to transfer the embryo on each occasion.

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Source: https://www.legislation.gov.uk/uksi/1993/2921/schedule/1/paragraph/7 (the official version)
Page: https://openlegislation.uk/bovine-embryo-collection-and-transfer-regulations-1993/schedule-1/paragraph-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.