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宫颈帽是帽形硅氧烷杯，被插入到阴道中并定位在子宫颈。宫颈帽阻止精子进入子宫颈。宫颈帽类似膈膜，但更小、更坚硬。
使用过于频繁，女性会因清洁不到位，使避孕套外部的油脂残留于阴道内，易产生病菌。
In the event the exterior condom is too tight or much too unfastened, it is struggling to serve its supposed objective as contraception. Experts propose people with a penis check out on external condoms when their penis is completely erect to finest decide what dimensions functions effectively for them.
儘管現有的科學共識和一般性健康專家皆認同安全套有着許多好處，但不論是科学上还是道德上，都存有一些針對安全套的批評。 宗教團體的批評[编辑]
Numerous exterior condoms that you can buy include lubrication bundled on the contraception. This included aspect may make sexual intercourse extra pleasurable. “I'd personally likely say which the lubricated kinds could be far better simply because you can never ever have far too much lubrication, however, you can have way too minimal,” Dr. Cross claims. “Not enough lubrication may end up in high friction, breaking and tearing in the condom, or distress or abrasions for the vagina.
If a condom has been exposed to this fluid, flipping it more than and re-applying it may result in pregnancy and/or even the transmission of an STD. To apply the condom, adhere to these methods:[9] X Investigate supply
不过另一组澳大利亚科学家希望用一种叫做“坚硬水凝胶”的新材料来取代乳胶。大多数水凝胶（一种亲水的三维网络结构凝胶）物理特性是柔软湿滑，但由澳大利亚斯威本科技大学和伍伦贡大学的研究人员所研发的水凝胶像橡胶一样坚固，有弹性。
Should you be using a sexual intercourse toy, make use 安全套 of a condom around the toy in addition. The elements used to make some of the toys are not constantly Harmless to utilize in Your whole body (like plastics containing phthalates). It could be difficult to keep toys thoroughly clean, indicating microbes can Establish up, Particularly on toys made from porous resources.
Polyurethane condoms present powerful barriers towards HIV and bacterial STIs. On the other hand, polyurethane is considerably less adaptable than latex, that makes them somewhat additional fragile than latex condoms.
“The most significant miscalculation is just not putting the condom on early sufficient. A great deal of men and women have a tendency to start out within their routines and foreplay, and human body fluids are exchanged just before," clarifies Dr.
秦说，“润滑剂因为不吸水，涂在安全套上会搞得一塌糊涂。我们采用的亲水涂层在性交过程中可一直留在乳胶安全套上，保持润滑，解决了[使用安全套]其中一个大问题。”
以下是可能对您有帮助的英文资料。请注意，本手册对该资源的内容不承担责任。
For those who’re sexually active, using a condom correctly and continuously is the only real way to make sure you don’t get or transmit an STD. Condoms could also avoid pregnancy when utilized the right way and continually. Regrettably, condoms aren’t foolproof.