Facts About 避孕套 Revealed
Facts About 避孕套 Revealed
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男用避孕套戴法示圖 男人條㞗要扯咗旗先至可以戴避孕套。 女用避孕套[編輯]
因为避孕套会在性行为过程中对宫颈口产生摩擦和撞击的作用，可能会造成一定程度的粘膜损伤，若次数过于频繁则损伤不易恢复。避孕套外部的油脂会破坏阴道内有氧菌和厌氧菌的平衡，对生殖系统健康有一定的不良影响。
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。
Some latex condoms are lubricated within the maker with a little number of a nonoxynol-9, a spermicidal chemical. According to Client Reviews, condoms lubricated with spermicide haven't any additional advantage in protecting against pregnancy, have a shorter shelf existence, and should cause urinary tract infections in Gals.
这一设计是采用带有容易抓握和拆封之拉片的包装。使用传统锡箔包装的安全套在拆封时不小心会导致破损，但新安全套可避免。新安全套上有一对拉条，在安全套完全套上阴茎后就会脱落。采用拉条，是为了确保安全套在使用前能正确地套在阴茎上。但由于缺乏资金，该设备尚未投入临床试验。
In March 2013, philanthropist Bill Gates available US£100,000 grants as a result of his Basis for the condom style that "noticeably preserves or enhances pleasure" to motivate far more males to adopt using condoms for safer sex. The grant info stated: "The principal downside from your male point of view is the fact condoms reduce enjoyment in comparison with no condom, making a trade-off that many Males uncover unacceptable, especially provided that the choices about use has to be built just before intercourse.
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传统避孕套存在一定安全问题。不少研究表明，传统的天然乳胶避孕套对病菌有一定的阻隔作用，但有效性并非百分之百，所以在使用安全套避孕的过程中，也要防止病菌滋生。
目前这种新型自动润滑安全套产品正处于商业化过程中，秦说在上市之前她不能透露太多细节。
Pinch the suggestion of your condom and spot it on The pinnacle from the erect penis. Pinching the suggestion gets rid of excess air and makes it possible for extra Room at the very best to collect semen.
Do external condoms expire? Indeed, condoms do expire, so it is necessary to concentrate on the expiration date to make sure the solution is Operating as supposed. “The resources with time can stop working rather than be as successful or can be additional prone to split,” Dr. Cross suggests.
To be sure an external condom performs as supposed, It can be crucial that It really is equipped securely and does not condom slip. The Warning Put on Iron Grip Snugger contains a width of only 46 millimeters that's twenty percent narrower than a normal external condom, generating them much less at risk of slipping or moving.