Dr Zalina started her housemanship training at Hospital University Malaya (UM), in Jan 1990 after completing her undergraduate study at University Kebangsaan Malaysia (UKM). She was a medical officer in the Surgery,Orthopedic and Anaesthesia unit at Hospital T. A. Afzan (HTAA) from 1990 to 1993. In June 1993, she continued her studies in Obstetrics