In this retrospectie cohort, all women with antepartum GBS bacteriuria in a research registry were included.Controls were women with negatie urine cultures.

• 研究设计：在这个回顾性队列中，所有登记了的产前有B型链球菌菌尿的妇女都包含在其中，对照组是尿培养阴性的妇女。