How to prevent exchange of bodily fluids
The risk to the biological level STDs Transmittion mainly by exchange of body fluids during sexual intercourse, as these are caused by germs (bacteria, fungi and protozoa) and viruses, which need these resources, each in a specific way to infect a new host and therefore, it is important to consider the regions (and fluid) of the body that come into contact for the assessment of risk of infection. Typically, they are the mucous membranes, semen and blood where the greatest concentration of factors of infection.
The skin is an excellent barrier to a large number of infections not only sexual but a much more diverse symptoms. However, some ectoparasites such as crabs (Phthirus pubis) can infect other body by contact with the infected region, in this case, the pubis.
Other regions of contact with the outside, the lining mucosa (such as the mouth, anus and vagina in women), have less protection against sexually transmitted infections, according to histological characteristics, physiological and ecological. Those referred to in this paragraph, only the vagina is ready histiológicamente to withstand the friction of intercourse, while in other cases it can cause the formation of micro-wounds, so imperceptible, that blood come into contact with body fluids partner. On the other hand, the flora bacterin of the year is more conducive to infections constitute the evacuation zone of the stool.
All of these factors in turn are linked to other important as these at least in the case of women: biological age. has found that adolescent girls and young women (women who have recently developed secondary sexual characteristics or are between 12 and 21) are much more vulnerable to infections like human papilloma virus.[Edit] The social-level risk
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In addition, some customs or people with whom an individual is associated may increase the chance of infection for the same, so it is possible to establish statistically the so-called risk practices.
In other words, while a person commits an act with a higher risk of infection and more often not only increases your chances of becoming infected but also elevates the people to which it relates in a situation of risk.
Therefore, the considerations of prophylaxis in sexual relationships should not be limited to the physical plane but also must take into account the behavior: with whom (s) are intimate, how often, with that shift, and so on.
Sexual practices associated with a low risk of infection
The use of appropriate physical (called a barrier) may lessen as the body’s own disease in question, the likelihood of contagion. However, currently none of these methods have been completely prevent the spread of all sexually transmitted diseases, ie its use does not completely guarantee not to be infected
Masturbation
Masturbation with a partner is a completely safe practice as long as no contact from both body fluids (semen, vaginal fluid or blood).
Social factors
The following social factors are effective in helping to prevent sexually transmitted diseases (STDs):
* Communication between partners. It is important to know if a partner has an STD, has or had unsafe sex or belongs to some other risk groups (injecting drug use, etc). This communication is especially important when the couple is supposedly monogamous or initially suspected not.
* Demarcation of sexual desires before the onset of sexual games, because for the same or during intercourse, it is rare that establishing communication with the seriousness which it belongs.
* Consult with a physician any signs that may be a symptom of an STD, especially those that appear on the genitals or mouth.
* Choose partners to practice safer sex, reducing the number of sexual partners, practicing sexual abstinence or monogamy.
* Do not use drugs or alcohol before sex, because they increase the risk of unsafe sex.
How to prevent exchange of bodily fluids
The most important is to avoid contact with blood, vaginal fluid, semen, pre-seminal fluid. There are many safe sex practices, such as hugging, massaging, lying on top of each other, bodies rubbing against each other without penetration-practice called frot or tribadism, or using a sex toy with a partner. Masturbating each other (sexually arouse the couple manipulating their genitals) is also generally a very safe sexual practice.
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