There is a set of corresponding correct usage for how to choose the right condom for you and how to put on and take off the condom correctly. Once the wrong method is used, the effectiveness of contraception will also plummet, and even contraceptive failure will lead to pregnancy; while in the case of correct use, condoms are more than 98% effective, and are a safer contraceptive measure. So the correct wearing of condoms is a must learn lesson for young couples! First, the choice of condoms First of all, to buy the regular brand, quality condoms, and check the packaging and expiration date, second, condoms are divided into 29mm (small), 31mm (small), 33mm (medium), 35mm (large) four specifications according to the diameter, men need to choose a reasonable condom according to their size, this time don’t make a fat face, so as not to choose the wrong specifications lead to The contraceptive failure. Second, the condom wear 1, before using the condom need to thoroughly clean hands, check the condom packaging, check whether the production date has expired or packaging damage; 2, carefully tear open the packaging to prevent the condom is damaged by nails; 3, to determine the front and back, at this time need to observe the wear of the condom can be smoothly unfolded, the rolled edge outward is the front, if you can not unfold the proof of wearing the wrong direction, need to replace, at this time more It is recommended to change a new condom, otherwise the side of the “tadpoles” may help them “break out”; 4, condoms need to be put on at the beginning of the “snap”, do not The last key step is to put on the condom, and the process of “snapping” should also be done throughout the contraceptive measures; 5, the foreskin is too long first open the foreskin and then wear, wear thumb and forefinger pinch the front of the condom, squeeze out the air, and then put the curled condom on the head of the penis, while pushing the set to the root of the penis, a jerk to the end; 6, each “snapping”. The first thing you need to do is to check if the tip of the condom is broken before wearing it. 3, condom removal 1, after ejaculation in the penis is still “firm”, with the hand press the bottom of the condom, while drawing out the penis, to prevent semen from the end out; 2, condoms out after the leakage, girls need to take oral contraceptives again; 3, after the use of the end of the knot processing, and then thrown into the trash to prevent semen around 4, wash afterwards, more healthy. In short, according to the head of this guide, will wear condoms, no accidents!