Masturbation per se doesn't cause any ascend or descent of testes.
Its common to have slight difference in size, shape or position of right and left testes. Its a natural variation and not(NOT) amounting to disease or defect.
Relax
Next Steps
However you can report to a sexologist for examination to confirm the same.
Answered2016-12-21 04:12:50
Let others know if this answer was helpful