Objective: To evaluate the effects of transcutaneous electrical acupoint stimulation on the pregnancy outcome and sperm parameters in patients with idiopathic oligoasthenospermia. Methods: We searched PubMed, EMBASE, Cochrane Library, CNKI, VIP and Wanfang from inception till January 2020 for randomized controlled trials with the keywords male infertility, oligozoospermia, asthenozoospermia, acupuncture, transcutaneous electrical …
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