• Yongqiang Li, Yahui Xue, Binghao Bao, Jisheng Wang, Hengheng Dai, Xiaoyong Gong, Wei Zheng, Yanfeng Li, and Bao Zhang.
• Department of Andrology, The Second Affiliated Hospital of Shaanxi University of Traditional Chinese Medicine, Shaanxi.
• Medicine (Baltimore). 2019 May 1; 98 (20): e15594e15594.

BackgroundAmong male sterility factors, oligoasthenozoospermia is the most common. As people's lifestyle changes and the population ages, the incidence of oligoasthenozoospermia continues to increase. The studies have shown that about 15% of married couples in the world are affected by infertility, among which infertility caused by male factors alone accounts for about 50%. Many clinical trials have proven that Wuzi Yanzong Pill has a significant effect in the treatment of oligoasthenozoospermia. In this systematic review, we aim to evaluate the effectiveness and safety of Wuzi Yanzong Pill for oligoasthenozoospermia.MethodsWe will search for PubMed, Cochrane Library, AMED, EMbase, WorldSciNet; Nature, Science online, and China Journal Full-text Database (CNKI), China Biomedical Literature CD-ROM Database (CBM), and related randomized controlled trials included in the China Resources Database. The time is limited from the construction of the library to April 2019. We will use the criteria provided by Cochrane 5.1.0 for quality assessment and risk assessment of the included studies, and use the Revman 5.3 and Stata13.0 software for meta-analysis of the effectiveness, recurrence rate, and symptom scores of oligoasthenozoospermia.Ethics And DisseminationThis systematic review will evaluate the efficacy and safety of Wuzi Yanzong Pill for treating oligoasthenozoospermia. Because all of the data used in this systematic review and meta-analysis has been published, this review does not require ethical approval. Furthermore, all data will be analyzed anonymously during the review process Trial.Trial Registration NumberPROSPERO CRD42019119170.

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