Sexually transmitted diseases STDs — or sexually transmitted infections STIs — are generally acquired by sexual contact. The organisms bacteria, viruses or parasites that cause sexually transmitted diseases may pass from person to person in blood, semen, or vaginal and other bodily fluids. Sometimes these infections can be transmitted nonsexually, such as from mother to infant during pregnancy or childbirth, or through blood transfusions or shared needles. STDs don't always cause symptoms. It's possible to contract sexually transmitted diseases from people who seem perfectly healthy and may not even know they have an infection.
Sexually Transmitted Infections
CDC - STD Diseases & Related Conditions
A sexually transmitted infection STI affects both men and women, and is passed from one person to another during sex or intimate contact. You can call and speak to a registered nurse anonymously anytime, every day of the year. Top of the page Check Your Symptoms. Aside from colds and the flu, sexually transmitted infections STIs are some of the most widespread infections in the world. STIs affect both men and women, and almost half of all STIs occur in people younger than 25 years old. Exposure to an STI can occur any time you have sexual contact with anyone that involves the genitals , the mouth oral , or the rectum anal.
Types of Sexually Transmitted Infections
Currently, HIV infection is the seventh leading cause of death in this age group. Though fatalities are rare among other STIs, they can lead to infertility and ectopic pregnancies—the latter of which is life threatening. In addition, other STIs such as —including chlamydia, gonorrhea, herpes and syphilis—also make those who are infected with these conditions more vulnerable to HIV infection.
Sexually transmitted diseases STDs , or sexually transmitted infections STIs , are infections that are passed from one person to another through sexual contact. The contact is usually vaginal, oral, and anal sex. But sometimes they can spread through other intimate physical contact. STDs can be caused by bacteria , viruses , and parasites.
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