# The Blood Safety and Quality Regulations 2005, Paragraph 2.2.4


Other temporary deferrals
Pregnancy
6 months after delivery or termination, except in exceptional circumstances and at the discretion of a physician
Minor surgery
1 week
Dental treatment
Minor treatment by dentist or dental hygienist – defer until next day (NB: Tooth extraction, root-filling and similar treatment is considered as minor surgery)
Medication
Based on the nature of the prescribed medicine, its mode of action an the disease being treated

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Source: https://www.legislation.gov.uk/uksi/2005/50/schedule/part/3/paragraph/2n8 (the official version)
Page: https://openlegislation.uk/blood-safety-and-quality-regulations-2005/schedule/part-3/paragraph-2n8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.