THIS is why Abby Lee Miller was rushed to hospital

She was able to walk out of the facility on her own to get into an ambulance, where she was rushed to a local medical facility.

Now, an insider has confirmed to PEOPLE that the former Dance Moms star is suffering from a thyroid condition.

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Her health issues come just weeks after she was released from prison and transferred to a halfway house due to good behaviour.

She had been serving her 366-day sentence for bankruptcy fraud at the Victorville Federal Correctional Institution in California since July.

She was transferred at the end of March to the Residential Reentry Center in Long Beach, a facility that provides a structured and supervised environment where she’ll be given employment counseling, job placement and financial management assistance.

She’s scheduled to be released May 25, TMZ reports.