避孕套 Options
避孕套 Options
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Following ejaculation, hold the base from the condom while pulling out. Doing this tends to protect against it from falling off.
Nonetheless, European militaries ongoing to supply condoms for their associates for illness security, even in nations where they ended up illegal for the final population.[104]: 213–four With the twenties, catchy names and slick packaging turned an more and more vital internet marketing approach for many client items, like condoms and cigarettes.
确保安全套能够在没有额外润滑的情况下使用是科学家们关注的另一个挑战。美国波士顿大学的一组研究人员开发出了一种涂在安全套上的涂料，可以使安全套具有自润滑功能。
安全套也許是市面上最流行的避孕措施，在各大超市、便利店都可以購買，亦有專門售賣性商店的網店，但講到最平，一定是家計會和母嬰健康院。
Squeeze the interior ring for the shut stop of your condom. Inside condoms have a versatile ring at Every single conclude. A single stop will likely be closed, a great deal just like a external condom.
How do I realize which sizing condom to order? Condoms should really come to feel comfortable about the penis and be able to keeping all through the entirety of intercourse without the need of going or slipping off. “To ensure proper fit, it's helpful to try on distinctive sizes while the penis is erect,” Dr. Gaither says.
If a condom continues to be subjected to this fluid, flipping it around and re-applying it may well lead to pregnancy and/or the transmission of an STD. To use the condom, follow these methods:[nine] X Analysis resource
Pinching the reservoir shut with one hand, position the condom towards the idea in the erect penis. With your other hand, thrust your pubic hair outside of the way in which if vital.
安全套多數附帶少量潤滑劑，但作用主要是保護安全套，未必足以令房事順暢。
It is usually recommended for condoms producers to stop extremely thick or quite slender condoms, simply because they are both of those deemed fewer efficient.
In 1839, Charles Goodyear learned a method of processing purely natural rubber, which can be too rigid when chilly and also soft when warm, in this kind of way 避孕套 as to make it elastic. This proved to own strengths to the manufacture of condoms; unlike the sheep's intestine condoms, they could stretch and didn't tear rapidly when utilised. The rubber vulcanization process was patented by Goodyear in 1844.[112][113] The primary rubber condom was created in 1855.
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。”
Check out the expiration date. All condoms or dams have an expiration date printed on the box or maybe the wrapper. Don’t utilize the condom immediately after this day. Expired condoms may tear or crack additional simply.
Under no circumstances reuse a condom. In the event you go ahead and take condom off, You should not place it again on again, whether or not there would not seem to be any fluid.