ohhContraceptives

1. p. 331 Define Contraceptives. medications and devices that reduce the chance of pregnancy 2. p. 331 What is an oral contraceptive (birth control pill)? How do work? (Talk about he hormones.) shuts down the pituitary production of both FSH and LG so that no follicle in the ovary begins to develop. 3. p. 332 What is an IUD? How does it prevent pregnancy? a piece of plastic that is inserted into the uterus. alters the uterus so that fertilization probably wont take place, but if it does, implantation cannot occur. 4. Chart on p. 333. How does an Intrauterine device copper T work? How effective is it? What are the health risks? What does perforation mean? its paced in the uterus and causes cervical mucus to thicken so the embryo cant implant. 99% effective. cramps, bleeding, infertility, perforation of uterus. 5. Chart on p. 333. How does an Intrauterine device progesterone releasing type work? What does the progesterone do that the IUD copper T device can't do? How does progesterone do this? placed in uterus, prevents ovulation and prevents embryo from implanting. It blocks the progesterone receptor protein. 6. Look at the pictures on page 331. What does an IUD look like? How big is it relative to the uterus? its like a long skinny T looking thing which reaches across the uterus. 7. p. 332. What is a diaphragm? When is it inserted? What must you use with the diaphragm for it to be effective? its a latex cup that fits over the cervix. Inserted 2 hours before sex. You must use spermicidal jelly with it. 8. p. 332. What is the difference between a diaphragm and a cervical cap? u can get abnormal pap smear with a cervicle cap 9. Look at the pictures on page 331. What does a diaphragm look like? How big is it? What is being added to it in the picture? it looks like a big one of those popper things that u tern inside out and they like pop and jump off the table. spermicidal jelly is being added to it. 10. Chart on page 333. How do the diaphragm and cervical cap work? How effective are they with spermicide? What are the health risks? What is toxic shock syndrome? (you will need to look this up on the internet) htey block entrance of sperm in the uterus and the spermicide kills the soerm. They are 90 percent effective with spermicide. irritation, allergic reaction, infection, pap smear, toxic shock syndrome. 11. Chart on p. 333. Other than abstinence, what are the only contraceptives that protect against STDS? Why do you think this is the case? male and female condoms, because they are the only one that prevent direct contact of genitals. 12. Chart on p. 333. How effective is the male condom? female condom? Why do you think one is more effective than the other? because the guys would probably fit better and stay put more often. 13. p. 332. What hormone do contraceptive implants contain? How big are the implants? Where are they located? How long are they effective? they contain progesterone. they are match sized located under the skin of the womans upper arm. 14. p. 332. What is injected in a contraceptive injection? How long is this effective? a combination of estrogen and progesterone are injected. effective from three months to a few weeks. 15. p. 332. Some contraceptive vaccines are being developed. In this case, you would train your body's immune system to attack something. What could a contraceptive vaccine get your body's own cells to attack? sperm or HCG 16. p. 332 (see picture too) What is a vasectomy? How is it done? What are the effects? its when the vas deferens is cut and sealed so no sperm can reach the seminal fluid. not really any effects cuz sperm is only about 1% of seminal fluid 17. p. 332 (see picture too) What is a tubal ligation? How is it done? What are the effects? cutting and sealing off the oviducts so eggs cannot enter. Uses a small camera and blade to cut and seal them. two small incisions needed. 18. p. 332 What is RU-486? How does it work? (role of progesterone) causes the loss of an embryo. It blocks the progesterone receptors and so the endometruim sloughs off carrying the embryo with it.