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30份取自健康志愿受试者的精液标本,在其自然液化后,按其精液中的精子数量和/或质量分为四组,并分别加入各不同浓度的心得安溶液剂,尔后在各个规定的时间内观察其杀精子效果。实验发现:心得安在体外对人类精子具有肯定的抑杀作用。其抑杀精子的效果与药物浓度和用药时间及精子的数量或质量有关。因此,初步认为:心得安可能作为一种安全、有效、经济和使用方便的女性阴道用杀精子避孕药,很值得进一步研究。
30 semen specimens from healthy volunteers were divided into four groups according to the number and / or quality of sperm in their semen after they were naturally liquefied, and then added with various concentrations of propranolol solution at various concentrations Observed the spermicidal effect within the prescribed time. Experiments found that: propranolol in vitro inhibition of human sperm with a killing effect. Its inhibition of sperm effect and drug concentration and medication time and the number or quality of sperm. Therefore, the initial view: the experience may be safe as a safe, effective, economical and easy to use female vaginal spermicidal contraceptives, it is worth further study.