Constitution, also known as condom, can it be 100 % defensive transmission disease?

In real life, there are many people who go to the hospital for artificial abortion due to failure to use condoms for contraception. Since condoms cannot even do their own job well, they completely ignore disease prevention. Their hopes are pinned on condoms, which must also be "unsafe".

The main reasons for condom failure include breakage, slippage, poor latex quality, poor thickness and elasticity, improper selection, repeated use, etc. Even if the condom is used correctly and does not slip or break, a small amount of semen may leak out from the base of the condom and contact the female's vulva, causing her to become infected with AIDS.

For men, it is also possible that they come into contact with women’s vaginal secretions in their perineum and other parts. When a condom is removed from a woman’s vagina, the root of the condom may also come into contact with women’s vaginal secretions, thus The secretions may also come into contact when the condom is removed from the male glans.

At the same time, as long as there is a slight scratch on the skin or glans mucosa, it may become infected. This kind of abrasion often occurs during sexual intercourse.

Although many domestic and foreign research data show that condoms can prevent more than 85% of AIDS, the prevention of other sexually transmitted diseases is much lower than this statistic. For example, syphilis, genital warts, genital herpes, pubic lice, etc. may occur in places other than the labia, vagina and penis due to different ways of having sex. Therefore, condoms are "helpless" for STDs that occur in parts other than the genitals. If you want to maintain the foolproof preventive effect against STDs and AIDS, cleanliness and self-love are the most fundamental magic weapons. Neither should one be indifferent to the dangers of AIDS or sexually transmitted diseases and be unwilling to wear condoms, nor should one be wanton or excessive in sexual life because condoms have a certain preventive and contraceptive effect.

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