Hello 

it would be easy if you tell me in which country you want to pursue your degree.

Here i will tell you about 2 countries:-

1 canada

In canada , it is not possible to study MBBS after +2 . The basic requirement to enroll in this program is completion of bachelor degree or undergraduate degree in science or medical related field from an recognized university.

2 Australia

It is possible to study MBBS after +2 in Australia

Here is the basic requirement:-

1Higher secondary completion from any recognized board .

2 minimum 7 IELTS SCORE

3 minimum age 17 years.

4 UMAT qualifying :- special test conducted as entrance exan for international students.

The following are top 10 colleges to pursue MBBS across the globe:

• University of Cambridge
• Stanford University
• Johns Hopkins University
• Karolinska Institute
• University of California, Los Angeles (UCLA)
• Yale University
• Massachusetts Institute of Technology (MIT) 
• UCL (University College London)

In case you are looking out for specific countries then you must take into consideration Canada & Russia apart from USA.