1. Emerging data on the use of anti-tumor necrosis factor-alpha medications in pregnancy;Chambers;Birth Defects Res A Clin Mol Teratol,2012
2. Immunisation against infectious disease, 3rd edition, 2006 – contraindications and special considerations: the green book, chapter 6 (updated October 2017). Available: https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/655225/Greenbook_chapter_6.pdf [Accessed 4 Oct 2020].
3. HSE Immunisation Guidelines . Chapter 3. Immunisations of immunocompromised persons, 2019. Available: https://www.hse.ie/eng/health/immunisation/hcpinfo/guidelines/chapter3.pdf
4. The Second European Evidenced-Based Consensus on Reproduction and Pregnancy in Inflammatory Bowel Disease
5. The Toronto Consensus Statements for the Management of Inflammatory Bowel Disease in Pregnancy