(CNN) Country singer Chely Wright revealed that she suffered a stroke after her 48th birthday.

In a Twitter post urging women to know the signs of the disease, the singer said she had a migraine for three days last year shortly after she turned 48.

After dropping her sons off to school, she went to the emergency room at Manhattan's Lenox Hill Hospital, where doctors performed tests and confirmed what she'd suspected -- a stroke.

"I sort of knew it. What I had been experiencing with that headache and leading up to that headache was different. I'd even said aloud to myself in the bathroom mirror, 'Did you have a stroke?'"

That was a year ago Friday -- and she's OK now, the 49-year-old said.

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