NOT KNOWN DETAILS ABOUT 避孕套

Not known Details About 避孕套

Not known Details About 避孕套

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or maybe a significant vaginal an infection. In the event the penis goes from anus to mouth, that could potentially cause a serious infection inside the belly.

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。

You should also placed on a condom just before oral sex, anal sexual intercourse, or oral-anal Get hold of. You'll be able to contract an STD from oral sexual intercourse, so it is important to still utilize a condom for these pursuits. A condom might be Reduce open up to cover an individual's vulva in the course of oral intercourse or to address the anus during oral-anal Speak to.

如今的避孕套的产品多为天然乳胶材质。天然乳胶有五千至七万纳米的自然裂缝,因为人类精子的前端的直径约为五千纳米,所以可以有效地阻止精子进入女性的阴道内,起到避孕的效果。但是一些传染性的性病的病毒的直径比天然乳胶的自然裂缝要小的多,比如艾滋病病毒的直径仅为一百二十纳米,而乙肝病毒中的大球形颗粒的直径就更小了,仅为四十二纳米。由此我们可以看出,因为导致性病传播的病毒体积小于天然乳胶的自然裂缝,所以即使我们在性行为过程中使用了避孕套,仍然有一定的几率患上性病。

細閱產品成分標籤,部分產品含有麻醉劑苯佐卡因,對相關物質敏感的人士 應小心選擇;

各地品牌量度安全套尺寸的方式不盡相同,但卻彼此相通;簡單來說,只要知道自己的圓周及長度,即可在最短時間內找出最合適的安全套尺寸,包括歐美、香港及日本品牌,省卻繁複的計算過程!

If a condom is exposed to this fluid, flipping it above and re-making use of it might lead to pregnancy and/or perhaps the transmission of an STD. To apply the condom, observe these methods:[nine] X Research source

乳胶避孕套只能使用水基润滑剂。油基润滑剂(如凡士林、起酥油、矿物油、按摩油、身体乳液和食用油)会弱化乳胶,使安全套破裂。

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概述 计划生育可以让人们实现想要的孩子数量(如果要的话),并决定怀孕的间隔期。它是通过使用避孕方法和治疗不孕症来实现的。

Charles Goodyear, scientist and creator of vulcanized rubber, is credited Along with the invention of the fashionable condom in 1855.

但是,尽管乳胶是目前安全套最常用的材料,许多人发现使用时感觉不舒服,经常需要润滑油。乳胶也比较昂贵,这可能是安全套使用的另一个障碍。

Condoms are sometimes Employed in sex teaching programs, mainly because they have the capability to scale back the likelihood of pregnancy as well as spread of some sexually transmitted infections when applied properly. A modern American Psychological Affiliation (APA) condom push release supported the inclusion of details about condoms in intercourse training, indicating "detailed sexuality education programs .

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