Pain in your hip or groin area may be due to un-diagnosed hip dysplasia, and this condition will likely not get better in the future. If you weren't diagnosed as a young child, chances are that you have unknowingly had this condition for years without any problem until you got older.
Here is more information about hip dysplasia, its signs and symptoms, and how an orthopedic surgeon can help.
What is Hip Dysplasia?