The exposed data includes those clients' medical histories, diagnoses and treatments, medications and prescriptions, as well as pathology and diagnostic test results.
Along with hundreds of others, Ms Lewis contacted law firm Phi Finney McDonald, which is looking into what it describes as "potential redress" for those impacted by the breach.
Lewis hopes a class action could lead to penalties for Genea, and encourage other I-V-F clinics to improve their data security.
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