Condoms are one of the most commonly used contraceptives. The benefits are: easy to use, varied, and harmless to health, and the contraceptive effect is relatively reliable. However, the public’s understanding of condoms is still very shallow, and it is considered that it is ok to put on the penis. This is not right. How to choose, how to use condoms is very knowledgeable. Let’s take a look at its principles of use. 1, size you choose the right condom is like a penis clothes, too wide, too big to fall off; too small, too narrow and easy to rupture; so be sure to tailor the right condom. In fact, condom big brand merchants take corresponding measures to make condom manufacturing for the average size of male penis in each country and every region. Therefore, whether it is a fun type or a common type of condom, as long as you have no special circumstances, you can buy a normal model. If you have special circumstances, you can choose a large or small size other than the normal model. 2, condom packaging should be carefully observed that most condoms are square outer packaging, there are also a small number of rectangular, or other shapes (such as wrapped into candy or chocolate). In fact, the shape of the outer packaging does not have much impact on the condom, as long as it does not damage the condom. Need to look carefully is to observe whether the outer packaging is damaged, loopholes, if not, do not use. Because the damage of the external appearance directly affects the efficacy of the condom. Xiao Bian recommended: Secret 4 factors of contraceptive failure 3 special effects of three commonly used contraceptives 3, gently tear not too hard, the outer packaging of the condom may be more solid, but the merchant will always leave a convenient opening to tear open. Therefore, when opening the condom, it must be gentle, not too hard, and it is not easy to destroy the sleeve inside. Also don’t use scissors, or sharps. 4. Before wearing the sleeve, hold the head of the head condom with a protruding seminal vesicle. This place should be pinched when not wearing it. This seminal vesicle should be in a state of paralysis until all the penis is placed. 5, after the ejaculation, the penis is pulled out in time. Although the semen and sperm can not enter the vagina after wearing the condom, it must be extracted in time, because the overflowing semen may seep from the root of the condom. Therefore, after ejaculation, you should reach out and gently grasp the root of the condom, which is the root position of the penis, and then withdraw it. After taking out, observe whether the condom is leaking or not. If necessary, take emergency contraception. 6. The sleeve is most afraid of high temperature and sunshine condoms. Since it is an item, it also has its own “things” that are scared. . First of all, it is best to store condoms in cool, non-dry, non-humid, low temperature, such as drawers, wardrobes, etc. Don’t be exposed to strong light, don’t be discovered by children! Guess what you like: Threatened abortion preventive measures painless flow the sooner the better sex novels one night love sex demonstration emotional story couples emotions more content please pay attention to Feihua Health Network gender channel: http://sex.fh21.com.cn Copyright: The copyright of this article belongs to Feihua Health Net. Any natural person or legal person may not reprint or copy all or part of it in any form without permission. If you want to reprint, you must indicate it from Feihua Health Net!