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Chapter 7 Sexuality I Objectives Identify structures of the female & male sexual anatomy Explain the female and male reproductive cycle Understand how.

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Presentation on theme: "Chapter 7 Sexuality I Objectives Identify structures of the female & male sexual anatomy Explain the female and male reproductive cycle Understand how."— Presentation transcript:


2 Chapter 7 Sexuality I

3 Objectives Identify structures of the female & male sexual anatomy Explain the female and male reproductive cycle Understand how STIs are transmitted, whos at risk, and ways to decrease the risk of contraction List the 3 different types of STIs Understand how STIs can be asymptomatic, yet still have chronic effects Differentiate between the various STIs Identify treatments for the various STIs Understand the complications of STIs

4 Female Anatomy

5 Male Anatomy


7 Sexually Transmitted Infections HOW ARE THEY TRANSMITTED? vaginal, oral, or anal intercourse by simply touching an infected area THREE MAIN TYPES Bacterial Viral Parasitic

8 Asymptomatic STIs Bacterial STIs As many as 20% of infected males and 80% of infected females are without symptoms Viral STIs have even higher percentages

9 Bacterial STIs Chlamydia Gonorrhea Syphilis

10 Chlamydia Most common bacterial STI in the U.S. Many cases are asymptomatic If symptoms are present, they will occur 1-3 weeks after infection Complications Blindness Sterility Ectopic pregnancy Treatment: Tetracycline, Doxyceline, or Erythromycin

11 Symptoms of Chlamydia Male Symptoms thin whitish discharge itching & burning during urination pain/swelling of testes low grade fever Female Symptoms moderate vaginal discharge itching & burning urination abdominal pain bleeding b/w periods nausea, headaches, low grade fever

12 Chlamydia

13 Gonorrhea Many cases are asymptomatic If symptoms are present, they will occur 3-5 days after infection Complications: sterility Treatment: Penicillin, Spectinomycin, Cefixime Tetracycline, or Ceftriaxone

14 Symptoms of Gonorrhea Male Symptoms foul smelling discharge from penis painful urination blood or puss in urine enlarged lymph nodes in groin area Female Symptoms similar discharge from vagina painful urination pelvic pain painful menstruation

15 Syphilis THREE STAGES: 1. Painless sore 10-90 days after infection 2. Flu like symptoms 3wks -3 months after primary stage. 3. Skin lesions, mental deterioration, blindness, & heart disease. 3-10 yrs after primary and secondary stages. Treatment: Antibiotics, usually penicillin Complications: Can be fatal

16 Viral STIs Genital Herpes HIV/AIDS Human Papilloma Viruses (HPV) Hepatitis B

17 Genital Herpes Approximately 40 million people infected Simplex I and Simplex II Many individuals are asymptomatic If symptoms are present, they will occur 2-20 days after infection

18 Genital Herpes cont… Initial symptoms tingling or burning sensation in the genitals low back pain pain when urinating Flu-like symptoms Red bumps develop into painful blisters Treatment of symptoms: Acyclovir, Famcyclovir, Valacyclovir

19 Genital Herpes

20 HIV & AIDS Transmitted one of four ways: Vaginal, anal, oral intercourse Sharing a needle Blood products containing HIV Mother to child Bodily fluids containing virus: blood, semen, vaginal secretions, breast milk Primary Population at Risk: young adults in their teens & 20s

21 AIDS Cases by Age

22 HIV/AIDS cont… May be asymptomatic for years HIV may not progress to AIDS for over 10 years No known cure at this time Symptoms: Fatigue, dry cough, fever, night sweats, diarrhea, skin rashes, swollen lymph nodes, vaginal yeast infections, and/or unexplained weight loss Treatment: mixture of different drugs to boost the immune system

23 Human Papilloma Viruses Most common viral STI in the U.S. 3 million new cases a year Majority of Cases are ASYMPTOMATIC > 70 strains of HPV Means of Contraction: skin to skin contact, oral, anal, & vaginal intercourse

24 Human Papilloma Viruses


26 HPV cont… Male symptoms: Genital warts on foreskin or shaft of penis Female symptoms: Genital warts on vaginal opening, cervix, or inner walls of vaginal No known cure at this time Treatment of symptoms: Topical application or surgery to reduce size and spreading

27 Hepatitis B Transmitted through blood, semen, and vaginal secretions Spread mainly through sexual contact 90% eliminate the virus through immunoglobulins Of the chronic carriers, 15-20% will die from cirrhosis or liver cancer Vaccination is available 50% of adults infected are asymptomatic

28 Symptoms of Hepatitis B Prodrome phase: diminished appetite, weight loss, fatigue, headache, nausea, vomiting, muscle aches, cough, low grade fever, right-sided upper abdominal pain Icteric phase: urine darkens, stools becomes a clay color, liver becomes enlarged and tender, itching, yellow cast to the skin or eyes Recovery phase: may develop a chronic disease Treatment for chronic disease: Interferon

29 Parasitic STIs Pubic Lice Scabies

30 Pubic Lice & Scabies (crabs) (itch mites) Tiny insects that live on the skin Pubic Lice infect hairy parts of skin Some may have no symptoms, while others have severe itching Scabies result in an itchy rash on the skin Itching may get worse at night Rash on folds of skin between fingers, wrists, elbows, abdomen, & genitals

31 Pubic Lice cont… Treatment: Shampoos and creams with lindane Clean all clothes, linens, & towels in HOT water Avoid close contact with others…….. You must tell anyone whom you have had close contact or shared your bed linens, clothes, or towels

32 How do we prevent STIs? ABSTINENCE BE MATURE & RESPONSIBLE: Mutually monogamous relationships with an uninfected individual - testing Limit number of partners & always use condoms Realize Condoms arent 100% effective in protecting you!! If infected, avoid sexual contact & visit your physician, local STI clinic or hospital for diagnosis / treatment

33 Testing is Everyones Responsibility Symptoms of STIs can develop slowly or be asymptomatic Regular & accurate evaluations are necessary Only way to have adequate knowledge of your history is to be tested Youll never know unless youre tested! Communicate with your partner

34 Methods of Testing STIs 3 Categories Inspection Symptomatic genital warts, herpes, and pubic lice Blood or Urine tests Blood tests: Hepatitis B, Syphilis, & HIV Urine tests: Chlamydia & Gonorrhea Smears form vagina or urethra/Fluid collection Fluid collection: Chlamydia, Gonorrhea, & Herpes

35 Complications of STIs Infertility Complications during pregnancy Infections can be passed onto the newborn Some can be fatal AIDS, Hepatitis B, Syphilis

36 Summary STIs are transmitted by skin to skin contact, touching an infected area, vaginal, oral, and anal intercourse 3 main types of STIs: bacterial, viral, & parasitic Many STIs are ASYMPTOMATIC Bacterial STIs can be treated with antibiotics Viral STIs are life long infections Parasitic STIs can be treated with shampoos and creams STI prevention includes: abstinence, mutually monogamous relationship with an uninfected individual, limit number of partners, use condoms, STI testing, communicating with your partner

37 Local Contacts and Websites: Texas A&M University Health Center 847-9242 Womens Clinic 845-1576 Health Services 845-6111 AIDS Services of Brazos Valley 260-2437 Texas Dept of Health: Hope Pregnancy Center of Brazos County - 846-1097 Good Samaritan Pregnancy Services - 846-2909 Planned Parenthood - 846-1744 Project Rachel - 888-456-4673

38 Contacts and Websites cont… Center for Disease Control CDC National STI Hotline 1-800-227-8922 Risk Profile STD Quiz Other STI slides

39 Contacts and Websites cont… Emergency Contraception Hotline 1-800-584-9911 National Council on Adoption 1-800-772-9100 National Abortion Federation 1-800-772-9100

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