01b: Contraception Flashcards Preview

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Flashcards in 01b: Contraception Deck (40)
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1
Q

Coitus Interruptus refers to which form of contraception? The “typical use” failure is (X)%.

A

Withdrawal/pulling out

X = 22%

2
Q

List the “female barrier” methods of contraception (equivalent to condom for males)

A
  1. Diaphragm
  2. Cervical cap
  3. Female condom
3
Q

(X) is a surfactant used for contraception and improve efficacy of barriers if used simultaneously. Failure rates up to (Y)%.

A
X = spermicide
Y = 30
4
Q

T/F: Spermicide doesn’t prevent HIV transmission

A

True

5
Q

Sperm lifespain in F genital tract

A

1-5d

6
Q

Ovulatory window is how many days?

A

3-5d

7
Q

“Perfect use” failure of Natural Family Planning is (X)%. And “Typical use” failure is (Y)%.

A
X = 0.4-5
Y = 24
8
Q

Suppression of ovulation in hormonal contraception is the task of (X) hormone

A

X = progesterone

9
Q

List the roles of progestin in hormonal contraception

A
  1. Inhibit LH surge (ovary and pituitary inhibition)
  2. Thicken cervical mucus
  3. Endometrial atrophy
  4. Cycle control
10
Q

List the roles of estrogen in hormonal contraception

A
  1. Helps inhibit LH surge
  2. Thinning of and increase in cervical mucus
  3. Endometrial proliferation
  4. Cycle control
11
Q

List the combined hormonal contraceptive methods, aside from the “pill”.

A

The ring (NuvaRing) and the patch

12
Q

Combined hormonal contraceptive methods: Perfect use rate is (X)% and typical use rate is (Y)%.

A
X = 1-2
Y = 8-9
13
Q

List two findings in patient history that would prevent you from prescribing COC. She would be at very high risk of (X) because of (progestin/estrogen).

A
  1. Smoking over 35y, more than 15/d
  2. Migraine with aura
  3. History of DVT, stroke, PE, valve disease (or other CV risk factors)

X = stroke, MI
Estrogen

14
Q

How long should a woman wait after birth to be put back on COC (combined oral contraceptives/the pill)?

A

3 weeks at least

15
Q

T/F: COCs should not be used in breast cancer patients.

A

True

16
Q

Progestin-only pills for contraception are taken how often?

A

Every day - at same time

17
Q

T/F: Progestin-only pills are contraindicated in women with vascular disease.

A

False - generally not

18
Q

Depot medroxyprogesterone acetate (DMPA) is administered via (X) route how often?

A

X = IM injection (at health care location)

Every 12 weeks

19
Q

Depot medroxyprogesterone acetate (DMPA) has which key adverse effects/contraindications?

A

Significant weight gain; very few medical/drug interaction contraindications

20
Q

Which contraceptive method has the best efficacy (lowest failure rate at 0.01%)?

A

Subdermal implant (Nexplanon; progestin-only)

21
Q

Perfect failure of Levonorgestrel IUD is (X)%. Typical failure is (Y)%.

A

X = Y = 0.2

22
Q

T/F: Primary mechanism of contraception by Levonorgestrel IUD is preventing LH surge.

A

False - cervical mucus thickening (via progesterone)

23
Q

Primary mechanism of contraception by Cu IUD is:

A

Cu is spermicidal and inhibits fertilization

24
Q

Perfect failure of Cu IUD is (X)%. Typical failure is (Y)%.

A

X = Y = 0.8

25
Q

T/F: Cu IUD can be used by essentially any woman since there are no hormones released.

A

True

26
Q

Plan B is a high dose of (X) with (Y)% effectiveness

A
X = progesterone (levonorgestrel)
Y = 60-80 (depending on timing)
27
Q

In U.S., abortion is legal up until (X) weeks gestation

A

X = 24

28
Q

Medical abortion can be performed up until (X) weeks gestation using which medications?

A

X = 10

Mifespristone (anti-progesterone) and misoprostol (prostaglandin analogue)

29
Q

2nd trimester abortion can be carried out via:

A
  1. Meds (induced labor)

2. Dilation and evacuation

30
Q

Vaginal ring embedded with which hormones? It’s labeled for (X) day use.

A

Etonogestrel (progestin) and estrogen;

X = 21

31
Q

All forms of contraception in (X) category result in menstrual disruption (amenorrhea, spotting, prolonged bleeding).

A

X = progestin-only

32
Q

Contraception: Primary reason for discontinuation of Nexplanon

A

Menstrual disruption (amenorrhea, spotting, prolonged bleeding); progestin-only implant

33
Q

T/F: Majority of women having abortions are in 20-30yo age range.

A

True

34
Q

Approximate gestational sac size at 6 weeks gestation.

A

Size of dime

35
Q

Approximate gestational sac size at 8 weeks gestation.

A

Size of quarter

36
Q

Approximate gestational sac size at 7 weeks gestation.

A

Size of nickel

37
Q

Complications of surg abortion:

A
  1. Bleeding
  2. Infection/Retained products (endometritis)
  3. Uterine perforation
38
Q

22 yo woman presents with pelvic pain/pressure and U/S shows massive blood clot in uterus. If this is complication of a recent procedure she had, what is it and which procedure?

A

Surgical abortion

Hematometra (blood collecting in uterus); Rx is to suction contents

39
Q

Laminaria is used in abortion procedures for which purpose?

A

Prep cervix for dilation (slowly expands via moisture absorption over 6+ hours)

40
Q

Dilapan is used in abortion procedures for which purpose?

A

Prep cervix for dilation (synthetic)