Contraceptives

Contraceptives (Wiki assignment) This is part of our fifth unit "Oh Baby"

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.) An oral contraceptive often involves taking a combination of estrogen and progesterone on a daily basis. The birth control pills shutdown the hormones FSH and LH, so that there is no follicle in the ovary and ovulation should not occur. 3. p. 332 What is an IUD? How does it prevent pregnancy? An intrauterine device (IUD) is a small piece of molded plastic that is inserted into the uterus by a physician. It is suppose to alter the environment of the uterus and oviducts so that fertilization should not occur- but if fertilization should occur implantation couldn’t take place. 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? Plastic coils inserted into the uterus by a physician to prevent implantation, which is more than 90% effective, but the risk is infection (PID) 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? Not in my book 6. Look at the pictures on page 331. What does an IUD look like? How big is it relative to the uterus? It is a copper wire that is wrapped around a plastic device in the shape of a There are two strings hanging off of the bottom. 7. p. 332. What is a diaphragm? When is it inserted? What must you use with the diaphragm for it to be effective? The diaphragm is a soft latex cup with flexible rim that lodges behind the pubic bone and fits over the cervix. Each woman must be properly fitted by a physician, and the diaphragm can be inserted into the vagina no more that 2 hours before sexual intercourse. Also, it must be used with spremicidle jelly or cream and should be left in place 6 hours after sexual relations. 8. p. 332. What is the difference between a diaphragm and a cervical cap? The cervical cap is a minidiaphragm. 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 look like a big rubber cap or a nude colored condom that doesn’t unroll. 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) The cervical cap is latex held in position by suction over the cervix. It delivers spermicide near the cervix, and is about 85% effective. The risk is a reaction to latex. It is an infection that was originally thought to have come from only tampons, but it can also come from contraceptives like a diaphragm. They offer and warm place for bacteria to grown and infect the body. 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? The only other way to protect you from STD is the female and the male condom condom. They are effective because they prevent the fluids from uniting. 12. Chart on p. 333. How effective is the male condom? female condom? Why do you think one is more effective than the other? The female condom is about 85% more effective and the male condom is about 85%. The male condom is more accessible. 13. p. 332. What hormone do contraceptive implants contain? How big are the implants? Where are they located? How long are they effective? It contain progesterone. They are very small and they are placed under the skin. They are effective for about 3 years. 14. p. 332. What is injected in a contraceptive injection? How long is this effective? They are a combination of estrogen and progesterone. The length of time between injections can vary 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? It is meant to attack HCG since it is not normally present in the body. The vaccine would also attack sperm. 16. p. 332 (see picture too) What is a vasectomy? How is it done? What are the effects? A vasectomy is a procedure that cuts and ties the Vasa Deferentia so during and orgasm sperm in seminal fluid is not released. 17. p. 332 (see picture too) What is a tubal ligation? How is it done? What are the effects? Tubial ligation is a procedure that cuts and ties the ovary ducts, therefore there would be no eggs in the oviduct. 18. p. 332 What is RU-486? How does it work? (role of progesterone) It is called mifepristone, which is a pill that is presently used to cause the lose of an implanted embryo by blocking progesterone receptor proteins of endometrial cells.