Expanded carrier screening (ECS) for a large number of recessive disorders is available to prospective parents through commercial providers. This study aimed to analyze the content of marketing materials on ECS providers' websites.

中文翻译：

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对扩大承运人筛查提供商使用的在线营销材料的系统分析。

准父母可以通过商业提供者获得针对大量隐性疾病的扩展携带者筛查 (ECS)。本研究旨在分析 ECS 提供商网站上营销材料的内容。