Sanger W G, Friman P C
University of Nebraska Medical Center, Omaha.
Reprod Toxicol. 1990;4(3):229-32. doi: 10.1016/0890-6238(90)90063-2.
We evaluated the effect fit of underwear had on sperm production in two healthy adult males in their early thirties. The subjects alternated from wearing tight fitting bikini type briefs to loose fitting boxer type briefs in an ABAB withdrawal design. Conditions lasted three months and were alternated twice resulting in a one year study. The initial condition for each subject was randomly determined with the laboratory technologist blind to the conditions. Four semen parameters were analyzed in this study: sperm density, total number of sperm, total number of motile sperm, and total number of motile sperm per hour of abstinence. The results showed the semen parameters gradually decreased in tight conditions and gradually increased during loose conditions. Although preliminary, the results support the commonly held but undocumented belief that the fit of men's underwear can influence sperm production.
我们评估了内衣的贴合度对两名30岁出头健康成年男性精子生成的影响。受试者采用ABAB撤药设计，交替穿着紧身比基尼式三角裤和宽松的平角内裤。每种情况持续三个月，交替两次，从而形成了一项为期一年的研究。每个受试者的初始情况由实验室技术人员随机确定，该技术人员对具体情况不知情。本研究分析了四个精液参数：精子密度、精子总数、活动精子总数以及禁欲每小时的活动精子总数。结果显示，在紧身条件下精液参数逐渐下降，而在宽松条件下逐渐上升。尽管该结果尚属初步，但它支持了一种普遍存在但未经证实的观点，即男性内衣的贴合度会影响精子生成。
