UA BSC 109 - Infertility and STDs (3 pages)

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Infertility and STDs



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Infertility and STDs

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Discusses STDs


Lecture number:
24
Pages:
3
Type:
Lecture Note
School:
University of Alabama
Course:
Bsc 109 - Intro Biology Non Maj II
Edition:
1
Unformatted text preview:

BSC 109 1st Edition Lecture 24 Outline of Last Lecture IX Fertilization one sperm penetrates the egg X Twins may be fraternal or identical XI Development cleavage morphogenesis differentiation and growth XII Pre embryonic development the first two weeks XIII Embryonic development weeks three to eight XIV The placenta and umbilical cord XV The embryo develops rapidly XVI Birth and the early postnatal period XVII The transition from fetus to newborn XVIII Lactation produces milk to nourish the newborn XIX From birth to adulthood XX Death is the final transition XXI Birth control methods controlling fertility Outline of Current Lecture I Infertility inability to conceive A Infertility inability to achieve pregnancy after a year of trying B Causes C Enhancing fertility II Sexually transmitted diseases STDs A Transmitted by sexual contact including genital oral genital anal genital B Can be very damaging or deadly C Some are not treatable D Bacterial STDs E Viral STDs F Other STDs Current Lecture III Infertility inability to conceive A Infertility inability to achieve pregnancy after a year of trying B Causes 1 Number and quality of sperm 60 million ejaculation is considered infertile 2 Pelvic inflammatory disease PID scarred blocked oviducts 3 Irregular menstrual cycles These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute IV 4 Endometriosis inner lining of uterus overgrows 5 Strongly acidic vaginal secretions 6 Decreased reproductive capacity with age 7 Miscarriage spontaneous abortion different than elective abortion C Enhancing fertility 1 Artificial insemination 2 Both sperm and eggs are handled outside of the body 3 Method of choice for women with blocked or damaged oviducts 4 Immature eggs must be first harvested from a woman 5 In vitro fertilization IVF a Fertilization in test tube outside of the body b After several cell divisions embryo is inserted into the uterus via the vagina 6 GIFT gamete intrafallopian transfer unfertilized eggs and sperm placed directly in oviduct 7 ZIFT zygote intrafallopian transfer fertilized egg is placed in oviduct 8 Fertility enhancing drugs boost production of developing eggs may result in multiple births 9 Surrogate motherhood Sexually transmitted diseases STDs A Transmitted by sexual contact including genital oral genital anal genital B Can be very damaging or deadly C Some are not treatable D Bacterial STDs 1 Gonorrhea a Caused by bacteria b Male symptoms penile discharge painful urination c Female symptoms vaginal discharge burning sensation when urinating females often are asymptomatic d Can be passed to newborn 2 Syphilis a Primary lesion in genital area b Secondary rash bacteria invades blood lymph nodes nervous system bones c Tertiary widespread damage to nervous system and cardiovascular system d Congenital syphilis transmitted by infected mother to fetus e Treatment penicillin 3 Chlamydia a Bacterial b Often goes undiagnosed due to mildness of symptoms c Men penile discharge burning upon urination d Women vaginal discharge burning and itching sensation E F e May lead to pelvic inflammatory disease f Can infect newborn g Treated with antibiotics Viral STDs 1 HIV one of the most dangerous STDs a Slowly destroys the immune system causing AIDS b Treatments but no cure 2 Hepatitis B virus a More contagious than HIV but not as deadly b Affects liver c Vaccine available for prevention 3 Human papillomavirus a Many strains can cause warts in genital area b 2 types of cervical cancer c vaccines to prevent cervical cancer Gardasil cervari other STDs 1 Canida albicans yeast normally present but may overgrow a pain inflammation discharge b can be passed sexually c may follow antibiotic treatment for bacterial infections 2 Trichomoniasis caused by protozoan a Women vaginitis frothy foul smelling discharge b Men inflammation of penis discharge c Treated with Flagyl 3 Pubic lice a Prefer to live on pubic hair b Treatment


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