What is STI?sti2

A sexually transmitted disease (STD) is an infection caused by bacteria or a virus. It is also known as a sexually transmitted infection. Some examples of STDs are chlamydia, syphilis, HPV, gonorrhea, HIV and viral hepatitis.

Sexually transmitted diseases (STDs), or sexually transmitted infections (STIs), are generally acquired by sexual contact (spread by oral, genital, or anal sex). The organisms 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 non sexually, such as from mother to infant during pregnancy or childbirth, or through blood transfusions or shared needles.

It's possible to contract sexually transmitted diseases from people who seem perfectly healthy, and who may not even be aware of the infection. Because the infections often cause few or no symptoms and may go untreated, women are at risk for complications from STIs, including ectopic (tubal) pregnancy, infertility, chronic pelvic pain, and poor pregnancy outcomes. STDs don't always cause symptoms, which is one of the reasons experts prefer the term "sexually transmitted infections" to "sexually transmitted diseases."


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