What are the four main stages of medical education?

Medical education is a formal, multi-stage process designed to equip individuals with the knowledge, skills, and professional competencies necessary to practice as physicians. Modern patterns of medical education are generally categorized into four distinct stages:12

• Undergraduate (premedical) education: This initial stage provides the foundational academic preparation required before entering medical school.2
• Medical school: During this phase, students undergo a rigorous curriculum that typically begins with preclinical studies—such as anatomy, physiology, and biochemistry—followed by clinical years involving direct patient care in hospitals and clinics.3
• Residency training (postgraduate education): Following medical school, physicians pursue supervised clinical experience in a hospital setting. This period allows doctors to gain specialized expertise and fulfill requirements for professional certification.24
• Continuing education: Because medical knowledge is constantly evolving, this final stage is a lifelong process. It involves attending conferences, participating in discussion groups, and reviewing medical literature to ensure physicians remain current with new developments in their fields.25