Indicators on condom You Should Know
Indicators on condom You Should Know
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Condoms might also be valuable in managing likely precancerous cervical adjustments. Publicity to human papillomavirus, even in men and women by now contaminated with the virus, seems to enhance the risk of precancerous modifications.
If your condom is inside of out, keep the rim in the condom with The within-out idea pointing towards your mouth. Blow over the suggestion to invert it and turn it ideal-aspect-out.
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The condom need to go in the bundle towards your genitals comparatively promptly. Don't unwrap the condom until finally you will be fully erect and ready to use it. Never ever seek to reuse a condom.
大多数用于乳胶安全套的润滑剂往往是粘性的，会排斥水，而且在使用时润滑剂会减少。波士顿大学的研究人员发现，他们可以将一层薄薄的亲水聚合物涂在乳胶表面以解决这个问题。当这种亲水聚合物与水接触时，会变得很滑。如此可以利用体液中的水分来保持润滑，并在整个使用中减少摩擦。
他说，“石墨烯是一种纳米级材料，只有一个原子的厚度，几微米宽。虽然如此薄小，却是地球上最强的材料。我们面临的挑战是要将纳米尺度的这种强度转移到宏观尺度上，这样我们就可以使用其作为真实世界的物体。我们是将强力的石墨烯颗粒与弱聚合物，如天然橡胶乳胶或聚氨酯结合在一起。然后石墨烯会将其强度传递给这两种弱聚合物质，在纳米尺度上增强聚合物，从而提升材料的强度。”
Condom sizing is essential for making sure the condom is effective in blocking sexually transmitted bacterial infections (STIs) and pregnancy.
A lot more typically, some scientific researchers have expressed objective concern about specified components often extra to condoms, notably talc and nitrosamines. Dry dusting powders are placed on latex condoms ahead of packaging to forestall the condom from sticking to by itself when rolled up.
完事之后，在流水下用肥皂或洗手液洗手。（开始之前你应该会洗手的吧？）
世卫组织协助各国调整和实施这些工具，以加强避孕政策和方案。此外，世卫组织还参与开发新的避孕技术，并领导和开展落实研究，以扩大获取和加强提供避孕信息和服务的机会。
Condoms are certainly one of the best ways to forestall pregnancy and shield versus sexually transmitted infections (STIs).
Pinch the tip in the condom and position it on The pinnacle of the 避孕套 erect penis. Pinching the tip eliminates surplus air and will allow extra Area at the highest to gather semen.
From at the least the 18th century, condom use was opposed in certain legal, religious, and healthcare circles for fundamentally the same good reasons which might be supplied these days: condoms decrease the probability of pregnancy, which some assumed immoral or undesirable for your nation; they don't deliver full safety in opposition to sexually transmitted bacterial infections, though perception of their protective powers was thought to motivate sexual promiscuity; and, they're not used constantly on account of inconvenience, price, or lack of sensation.[104]: 73, 86–8, 92
Utilised condom on the street Moreover, the big-scale use of disposable condoms has resulted in fears about their environmental effect via littering As well as in landfills, exactly where they can finally wind up in wildlife environments Otherwise incinerated or in any other case forever disposed of 1st. Polyurethane condoms in particular, presented They're a method of plastic, will not be biodegradable, and latex condoms take an incredibly while to break down.