Lecture 11: Contraception Flashcards Preview

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Flashcards in Lecture 11: Contraception Deck (48)
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31

What does LNG stand for?

Levonorgestrel

32

What is Yuzpe Regimen?

Two doses of estrogen 0.1 mg with norgestrel 1.0mg
12 hours apart
First dose within 120 hours of unprotected sex (5 days)

33

What are the advantages of EC combination pill?

75% of unintended prengancies prevented
-increased incidence of side effects due to high estrogen component
Nausea and vomiting

34

What is levonorgestrel?

Plan B
Single dose
Nausea

35

What is Ella?

Ulipristal Acetate
A progesterone receptor modulator whose likely main effect is to INHIBIT or DELAY ovulation
Taken as single dose
120 hours after sex
-nausea, requires prescription

36

How do you dose oral contraceptives?

Dose started high for efficacy
Lower does of EE (ethinyl estradiol) and progestin have synergistic effects on pituitary inhibition
Lowered to improve safety and decreased side effects

37

What is EE?

Ethinyl estradiol
Orally bioactive estrogen used in oral contraceptive pills
Synthetic estrogen

38

What are symptoms with traditional oral contraceptive?

1. Pelvic pain
2. headaches
3. breast tenderness
4. bloating/swelling
5. use of pain meds
Symptoms felt during the hormone free days

39

What are recent innovations of hormonal contraception?

1. Contraceptive Patch
2. Vaginal Ring
3. Levonorgestrel Intrauterine System
-IUS
-Mirena
4. Implanon

40

What are the characteristics of contraceptive patch?

Norgestimate + 20 mcg EE
Weekly application and comparable to OCPs
Application site reactions
Higher risk of breast pain, not effective with obese and visible on skin

41

What are the characteristics of vaginal ring?

Efficacy comparable to OCPs
Etonogestrel + 15 mcg EE
-3 weeks
-coital problem may lead to discontinuation
-lower rate of breakthrough bleeding

42

What are the characteristics of the Levonorgestrel Intrauterine System?

EXTREMELY effective
20 mcg of Levonorgestrel/24 hours
Stays in place to 5 years
-increases thickness of cervical mucus
-requires professional insertion and can change bleeding pattern
Progestin only
Mirena
T-shaped device

43

What are the characteristics of Implanon/Explanon?

Extremely effective
Use of Etonogestrel
Effective immediately and rapid return to fertility
3 years of protection
Contains NO estrogen
Goes into skin in upper arm

44

What are LARC methods?

Long-Acting REVERSIBLE Contraceptive methods
Examples: Mirena, IUS, Implanon, Levonorgestrel Intrauterine System

45

What are risks of birth control?

Increased death
Increased CVD mortality
Thromboembolism

46

Why does lecturer not give a shit about oral contraceptive side effects?

Because she argues that pregnancy is much riskier
Doesn’t address the fact that we can just use barrier methods….

47

If woman has preexisting medical conditions, what should we do for contraception?

We should use LARC because pregnancy is more dangerous to OCP

48

What is the association between OCPs and endometrial cancer?

OCPs decrease risk of endometrial cancer