Consistent condom use involves using condoms 100% during each and every sex act without fail. Barring few individuals who manage to use condoms consistently, studies have shown men and women tend to be inconsistent in condom usage. Studies have shown that couples knowing very well that the other partner is infected with HIV, even under such circumstances, are known to use condoms only 45%.
Teenagers are the worst lot. Their consistencies are less than 13% (according to survey conducted in US). It is reported that teen girls ensure a consistency levels of upto 50% due to fear of unwanted pregnancy and STDs.
Unfortunately, inconsistent condom usage makes both men and women vulnerable to most STIs including HIV. However, consistent usage can completely eliminate the risk of acquiring anySTIincluding HIV. Be a consistent condom user and play it safe.