USMLE is the licensing test for America and PLAB is for the UK. USMLE has 3 stages and PLAB has 2 stages. After completing or passing one of the tests, you will receive an MD degree, which is equivalent to our MBBS degree. A student’s choice for USMLE or PLAB depends on several factors, which include the choice of residence, financial situation, relatives living in the US or UK, the culture and environment of the country to which they can easily adapt, and several other factors.