A testicular exam is an inspection of the appearance and feel of your testicles. You can do a testicular exam yourself, typically standing in front of a mirror.Routine testicular exams may give you a greater awareness of the condition of your testicles and help you detect when changes occur. Testicular exams may also help you identify potential testicular problems.If you detect lumps or other changes during a testicular exam, make an appointment with your doctor.