Hi there
Thanks for your question at HCM
Groin pain is most commonly associated with strain of of the muscles, ligaments, or tendons present in that area. This is more likely if the onset of your pain is associated with any
injury which happened while playing or after you slipped or twisted.Such pain would usually respond over 2 to 3 days to rest, pain killer medicines and ice application
Hernia is one of the reasons for groin pain( but you mention that it has already been ruled out by your doctor)
On the other hand if you have been having pain for more 6 weeks and it has not responded to the above measures then other cause of one sided groin pain have to be considered. These include
urinary tract infection, any inflammation in ovaries ( in females) and testes (in males),
intestinal inflammation, hip joint related pain etc
Groin pain due to pinched
nerve in the spine is relatively uncommon and is usually associated with involvement at higher spinal levels mainly L2/3/4 levels.
I would suggest you to met your doctor so that the causes can be ruled out in a step wise manner based on your response.
Hope this helps
All the best
Regards