A Multicentre, Prospective, Single-arm, Non-interventional Regulatory Post-marketing Surveillance (rPMS) Study to Investigate the Safety and Effectiveness of Wegovy® (Semaglutide) in Patients With Obesity and Patients With Overweight in Routine Clinical Practice in Korea

Inclusion Criteria: 1. Signed consent obtained before any study-related activities (study-related activities are any procedure related to recording of data according to the protocol). 2. The decision to initiate treatment with commercially available semaglutide has been made by the participants and the treating physician before and independently from the decision to include the participant in this study. 3. Male or female adults, age above or equal to 19 years who is scheduled to start treatment with semaglutide based on the clinical judgment of their treating physician as specified in the Korean-prescribing Information (approved label in Korea) at the time of signing informed consent. Exclusion Criteria: 1. Participants who are or have previously been on semaglutide therapy before enrollment. 2. Known or suspected hypersensitivity to the active substance or any of the excipients of semaglutide. 3. Previous participation in this study. Participation is defined as having given informed consent in this study. 4. Female participant who is pregnant, breast-feeding, or intends to become pregnant and is of childbearing potential not using adequate contraceptive methods (adequate contraceptive measures as required by local regulation or practice). 5. Mental incapacity, unwillingness or language barriers precluding adequate understanding or cooperation.