First-trimester exposure to tofacitinib in ulcerative colitis: A case report of a healthy newborn and literature reviewArteen Arzivian1,2, Eva Zhang1, Robyn Laube1, Rupert Leong1,21 Department of Gastroenterology and Hepatology, Macquarie University Hospital, Sydney, Australia.2Faculty of Medicine, Health and Human Sciences, Macquarie Medical School, Macquarie University, Sydney, NSW, Australia.