Bachelor of Medicine Bachelor of Surgery
 Bachelor of Medicine Bachelor of Surgery or in Latin: Medicinae Baccalaureus Baccalaureus Chirurgiae (abbreviated in various ways viz. MBBS or MBChB MB BS MB BChir BM BCh MB BCh MB ChB BM BS BM BMed etc.) are the two first professional undergraduate degrees awarded upon graduation from medical school in medicine and surgery by universities in various countries that follow the tradition of the United Kingdom.