A Study to Evaluate the Safety of Ozanimod Exposure During Pregnancy in Women With Ulcerative Colitis and Their Infants

Inclusion Criteria: * Age 18 to 49 years on date of conception * Date of conception between June 1, 2021 and September 1, 2030 * Continuous medical and pharmacy coverage for a minimum of 6 months prior to date of last menstrual period through the end of the pregnancy episode * Diagnosis of UC during the 12 months prior to conception through the end of the first trimester Exclusion Criteria: * • Pregnancies exposed to any known teratogens and the exposure falls within the period of 5 half-lives prior to the estimated date of conception through the end of the first trimester (assessed via the presence of national drug codes or medical procedure codes)