preamble_237
Each embryo shall be washed at least 10 times in a special fluid for embryos which shall be changed each time and which, unless decided otherwise under point (m), shall contain trypsin, in accordance with internationally recognized procedures. 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: EUR-Lex (Cellar) · retrieved 2026-11-08 · Text as adopted (Official Journal); later amendments are not incorporated in this text.