Group B Streptococci Screening Before Repeat Cesarean Delivery: A Cost-Effectiveness Analysis

Department of Obstetrics & Gynaecology, Wenzhou people's Hospital, Wenzhou city, Zhejiang Province, China Financial Disclosure The authors did not report any potential conflicts of interest. Supported by the nonprofit public welfare project of the Wenzhou Science and Technology Bureau (No.Y20150220). Guidelines for Letters. Letters posing a question or challenge to an article appearing in Obstetrics & Gynecology should be submitted within 8 weeks of the article’s publication online. Letters received after 8 weeks will rarely be considered. Letters should not exceed 350 words, including signatures and 5 references. A word count should be provided. A corresponding author should be designated (and contact information listed). Letters will be published at the discretion of the Editor. The Editor may send the letter to the authors of the original article so their comments may be published simultaneously. The Editor reserves the right to edit and shorten letters. A signed author agreement form is required from all authors before publication. Letters should be submitted using the Obstetrics & Gynecology online submission and review system, Editorial Manager (http://ong.edmgr.com).