Large-scale studies exploring the associations of asthma severity, exacerbations and medication use with adverse perinatal outcomes have been published in recent years.

中文翻译：

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哮喘严重程度和对围产期结局的影响：更新的系统评价和荟萃分析

近年来发表了大规模研究，探讨哮喘严重程度、恶化和药物使用与围产期不良结局之间的关系。