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Selena Gomez‘s mother recently visited the hospital, but it wasn’t (only) because of her daughter’s rekindled relationship with Justin Bieber. A source close to the family tells PEOPLE mag that Mandy Teefey was voluntarily checked out by medical personnel last week, denying a TMZ report that she was admitted due to an argument about Gomez’s boyfriend. The source says, “It’s been a stressful time for Mandy and she made the decision herself to go to the hospital and make sure everything was okay. This wasn’t just about Justin.” A Gomez source adds, “It’s true her family doesn’t approve of Justin, but this wasn’t just over a fight about him.”