Can a pain in the groin area be caused by a hernia and how can this be detected?

yes it can be secondary to a hernia, the pain is usually associated with a lump in the groin that usually goes away when lying flat. Other causes of groin pain is hip from the hip such as arthritis in the hip. A good physical exam is what is needed.

Most hernias do not cause pain unless associated with a strain. You should stand in front of a mirror, naked and see if you have fullness in the groin area compared to the opposite side. You could push down and compare the sides. An exam by your PCP should confirm the presence of a hernia.