Are Hoop Earrings Unprofessional?

Are Hoop Earrings Unprofessional? Certain styles of earrings are unprofessional, such as massive hoops and gauges. Having multiple piercings can also be deemed unprofessional. Every company has a different stance on what types of earrings are unprofessional, how many earrings can be worn, and who can wear earrings at work. Are hoop earrings office appropriate?