Sexually transmitted diseases STDs are infections that are passed from person to person by sexual activity. Although STDs are most often spread through vaginal, anal, or oral intercourse, skin-to-skin contact is enough to transmit many STDs. STDs affect an enormous number of people throughout the world, regardless of age, sex, socioeconomic status, or ethnicity. Approximately 19 million new infections occur each year in the United States, and about half of these infections are in people aged You can decrease your risk for getting an STD by using condoms every time you have sex even during oral sex , limiting your number of sexual partners, or abstaining from sexual activity.
The Most Common Sexually Transmitted Diseases (STDs)
Some STDs have no symptoms or only mild ones. Although 70 to 90 percent of women and 90 percent of men with chlamydia have no symptoms, this STD sometimes produces a mucus-like or pus-like vaginal discharge. A yellowish or yellow-green vaginal discharge can be a symptom of gonorrhea, although 4 out of 5 women infected with this bacterial STD will have no symptoms at all. The body usually clears a human papillomavirus HPV infection naturally within two years. However, not all strains can be removed by the body. Some strains of HPV can also cause genital warts.
Understanding symptoms and seeing pictures of STDs can help people identify the signs and encourage them to see a doctor. In , researchers saw an increase in STDs for the fourth year in a row , and the highest ever rates of chlamydia , gonorrhea , and syphilis. Most STDs are treatable, and many are curable. Early treatment significantly increases the likelihood of a good outcome.
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