My Teen Had a Strange White Spot on Her Nail Before Prom—We Almost Ignored It

The Spot

It was nine days before prom when Maya held her hand up to the bathroom light and went quiet.

“Mom, come look at this.”

I was halfway through a stack of laundry and a mental list of things that still needed doing: the dress hemmed, the corsage ordered, the photographer confirmed. I glanced at her thumbnail. There was a small, chalky white spot near the base, about the size of a grain of rice.

“It’s probably nothing,” I said. “You banged it on something.”

“I didn’t bang it