Welcome the biomedical students from Columbia University and Touro College, U.S.A., for a visit and observership program on the topic “A.R.T. Services (Assisted Reproductive Technologies: IVF) and the Ethical Issues in A.R.T. in Thailand” at the Reproductive and Biological Unit, Department of Obstetrics and Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University, on January 23rd, 2023.