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杀精剂是将接触到的精子杀死的制剂。它们可作为阴道泡沫、乳膏、凝胶、栓剂使用，在夫妇性交前放入阴道。这些避孕药产生针对精子的化学物屏障，以捕获并破坏精子。从而阻止精子使卵子受精。
Amongst the primary objections to condom usage could be the blocking of erotic sensation, or perhaps the intimacy that barrier-free intercourse offers. As the condom is held tightly for the skin of the penis, it diminishes the shipping and delivery of stimulation by rubbing and friction. Condom proponents claim this has the benefit of generating intercourse final lengthier, by diminishing sensation and delaying male ejaculation.
世卫组织正在致力于通过制定关于避孕方法安全性和服务提供以及确保避孕计划符合人权的循证指南来促进避孕。世卫组织还在制定质量标准，并提供避孕商品的预认证。
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安全套設不同尺寸，買對了才能夠讓其發揮避孕功效。你需要先量度陰莖的周長，以計算出最最最緊要的「闊度」，步驟如下：
世卫组织在安全套方面的工作属于其首要任务，即向会员国提供技术指导和支持以加强与性和生殖健康及权利有关的规划。这包括预防和控制性传播感染（包括艾滋病毒），以及避孕和计划生育服务。安全套也被纳入世卫组织的其他规划，如涉及全面性教育和性别暴力的规划。
Pinching the reservoir shut with one hand, location the condom in opposition to the idea of the erect penis. With your other hand, force your pubic hair from the way in which if important.
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Open up the condom wrapper utilizing the quick-tear edges. They're the zig-zag edges on both side of the wrapper which have been meant to tear aside immediately and simply.[19] X Study resource
“The biggest blunder is just not Placing the condom on early plenty of. A lot of individuals often get rolling inside their actions and foreplay, and system fluids are exchanged right before," describes 安全套 Dr.
Giacomo Casanova exams his condom for holes by inflating it Casanova in the 18th century was one of many initial noted making use of "assurance caps" to circumvent impregnating his mistresses.[111]
Common techniques in infertility treatment method which include semen Evaluation and intrauterine insemination (IUI) demand selection of semen samples.
Hardly ever reuse a condom. In case you take the condom off, You should not put it again on yet again, even when there would not seem to be any fluid.