To evaluate the efficacy of three different carrier screening workflows designed to identify couples at risk for having offspring with autosomal recessive conditions.

中文翻译：

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评估旨在识别有风险的携带者夫妇的三种携带者筛查工作流程的功效

评估三种不同的携带者筛查工作流程的功效，这些工作流程旨在识别有后代患有常染色体隐性疾病的风险的夫妇。