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Sexually Transmitted Infections

Sexually Transmitted Infections. Chapter 25- Lesson 1 & 2. The Risk of STI’s. STI’s or Sexually Transmitted Diseases Infectious diseases spread from person to person through sexual contact

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Sexually Transmitted Infections

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  1. Sexually Transmitted Infections Chapter 25- Lesson 1 & 2

  2. The Risk of STI’s • STI’s or Sexually Transmitted Diseases • Infectious diseases spread from person to person through sexual contact • Epidemic: occurrences of diseases in which many people in the same place and at the same time are affected • 65 million people in the U.S. are living with an incurable STI

  3. High- Risk Behavior and STDs • Being sexually active with more than 1 person • Engaging in unprotected sex • Selecting high-risk partners • Using alcohol and other drugs

  4. The Consequesnces of STI’s • Some STI’s are incurable • Some STI’s cause cancer • Some STI’s can cause complications that affect the ability to reproduce • Some STI’s can be passed from an infected female to her child before, during, or after birth

  5. Common STDs • Human Papillomavirus or HPV • A virus that causes genital warts or asymptomatic infection • The CDC estimates that 50 to 75 % of sexually active people acquire HPV at some point in their lives • Most types of HPV are asymptomatic • There is no treatment • Almost all cases of cervical cancer is caused by HPV

  6. Human Papillomavirus Virus

  7. Genital Warts • Appear on the genitals, vagina, or the cervix • 1-3 months after infection from HPV • Treatment can rid the body of warts, but not the virus

  8. Chlamydia • A bacterial infection that affects the reproductive organs of both males and females • 40% of cases are reported in teens 15-19 years old • Asymptomatic most of the time, but symptoms include: vaginal discharge, burning during urination, and abdominal pain • If left untreated, it can lead to pelvic inflammatory disease in females and infertility in males and females

  9. Genital Herpes • An STD caused by the herpes simplex virus (HSV) There are 2 types of HSV: • Type 1 usually causes cold sores • Type 2 usually causes genital sores • Both types can infect in the mouth and the genitals • Most are asymptomatic, but can have blisterlike sores • The virus can be spread even if there are no symptoms!! • Symptoms can be contracted form mother to child during delivery and are often fatal for the child

  10. Genital Herpes

  11. Gonorrhea • A bacterial STD that usually affects mucous membranes • Symptoms are similar to Chlamydia and males have a discharge from the penis • 50% of females with gonorrhea have no symptoms • Can be treated with antibiotics, but is increasingly resisting treatment • Females can pass the infection to their babies during childbirth: eye infections that cause blindness

  12. Gonorrhea

  13. Trichomoniasis • STD caused by a microscopic protozoan that results in infections of the vagina, urethra, and bladder • Females may have more symptoms, however may cause vaginitis • An inflammation of the of the vagina characterized by discharge, odor, irritation, and itching

  14. Syphilis • An STD that attacks many parts of the body and is caused by a small bacterium called a spirochete • First sight of infection is painless reddish sore called a chancre • Sore will heal on its own, but if the infection is not treated, it spreads through the blood to other parts of body • Eventually can damage internal organs • Females can pass the infection to their babies during child birth: damaged nervous system

  15. Syphilis

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