contraception Flashcards

1
Q
  1. Woman who constantly forgets to take oral contraceptive pill. You should
    a) consider she has dementia praecox…
    b) consider she has covert intentions
    c) change her from the 28 days pill
    d) consider she secretly desire pregnancy
    e) consider she has hidden guilt regarding contraception as a bad thing
A

c) change her from the 28 days pill

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
  1. Depo provera is noted for all except:

a) useful for those on phenytoin
b) no increased risk of VTE
c) no change in menstrual pattern

A

c) no change in menstrual pattern

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

With regards to the COCP, a woman of 35 years who is a non-smoker and has a serum cholesterol of 5.8 should:

a) cease and use alternative contraceptive methods
b) continue to 38yo then cease
c) continue to 40 yo
d) continue to 45 yo
e) continue to menopause

A

? c

-need more info, need to reassess other cardiovascular RF. Once have multiple RF then becomes cat 3 ( increased cholesterol is one of them)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  1. The contraceptive with greatest continuation at one year is:

a) progesterone only pill
b) mirena IUCD
c) Depo Provera
d) Norplant ( Implanon)

A

d

a) progesterone only pill - ??
b) mirena IUCD – 80%
c) Depo Provera – 56%
d) Norplant ( Implanon) – 84%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  1. Benefits of OCP are all except:

a) reduce menorrhagia
b) reduce PID
c) reduce benign breast disease
d) reduce ovarian cancer
e) reduce cervical cancer

A

e) reduce cervical cancer

Benefits of COCP:
•	Contraceptive:
o	Highly effective
o	Convenient
o	Reversible 
•	Non-contraceptive:
o	Reduction in rate of most disorders of the menstrual cycle
•	Less heavy bleeding
•	Less anaemia
•	Less dysmenorrhoea
•	Regular bleeding, timing can be controlled
•	Fewer syms PMT
•	No ovulation pain
o	Less PID
o	Fewer ectopics
o	Less benign breast disease
o	Fewer functional ovarian cysts
o	Less need for hospital rx due to bleeding from or size of fibroids
o	Beneficial effect on some cancers, esp Ca ovary, endometrium, probably CRC
•	Miscellaneous:
o	Fewer sebaceous disorders, esp acne
o	No acute toxicity if OD
o	Protection from OP, control of climacteric syms in replacement therapy
o	Beneficial social effects (postphoning pregnancy)
o	Less endometriosis
o	Less trichomonal vaginitis
o	Maybe less toxic shock syn
o	Less thyroid disease
o	Mayble less RA
o	Fewer duodenal ulcers
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
  1. What is the least correct statement regarding contraception or MAP (they weren’t sure which)

a. RU486 plus misoprostol 400mg oral 48/24 later
b. RU 486 plus misoprostol 800 mg PV 48/24 later
c. Mifepristone had been approved for the use in the USA as contraception (or maybe TOP)

A

Mifepristone had been approved for the use in the USA as contraception (or maybe TOP)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  1. Regarding IUCD:

a. increased incidence of PID associated with increasing use
b. associated with unilateral tuboovarian abscess
c. leave in situ if pregnancy occurs due to risk or miscarriage if removed
d. increased failure rates of Cu IUCD after 2 yrs due to extrusion

A

b

a. increased incidence of PID associated with increasing use – F ( risk within 20 days of insertion )
b. associated with unilateral tuboovarian abscess
c. leave in situ if pregnancy occurs due to risk or miscarriage if removed - F
d. increased failure rates of Cu IUCD after 2 yrs due to extrusion - F

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. which of the following has the highest risk of ectopic pregnancy if the women conceives?

a) Condoms
b) diaphragm
c) COCP
d) Progesterone only pill
e) No contraception

A

e) No contraception

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  1. What is the cumulative pregnancy rate of a woman using norplant for 5 yrs?

a) <1%
b) 1%
c) 3%
d) 5%
e) 8%

A

a) <1% ( 0.3%)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  1. In a woman who has been using Depo for 2 yrs, what are her chances of being pregnant 15/12 following last injection with regular intercourse?
    a. 40%
    b. 50%
    c. 65%
    d. 75%
    e. 85%
A

d. 75%

95% in 2 years.
50% pregnant 10 months after stopping depo
Ie. 12 months since end of last dose period
Return to fertility is slow, but complete
Mean time to conception 9 months after last injection
12 months post stopping – 75% conception rate
9 months – 65%
6 months – 55%
3 months – 30%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
  1. Sex 24 hours ago but condom broke. Which is true?

a. ethynyl oestradiol plus norgestrel should be given within 96 hrs after unprotected sex
b. ethynyl oestradiol 5mg/day for 5 days within 96 hrs
c. after 1 unprotected midcycle intercourse, pregnancy rate about 15% can be expected
d. pregnancy rate after postcoital contraception is about 5%
e. 90% of women after postcoital hormone treatment get withdrawal bleed within 14 days

A

c. after 1 unprotected midcycle intercourse, pregnancy rate about 15% can be expected

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  1. Epileptic woman on phenytoin, requesting OCP. What do you prescribe?

a) 30 mcg OCP
b) 50 mcg OCP
c) 80 mcg OCP
d) minipill
e) diaphragm

A

b) 50 mcg OCP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  1. Regarding contraception. Which is true?

a) principle action of POP is to suppress ovulation
b) more females using IUD have ectopics than females using no contraception
c) more females with Cu IUD have ectopics than inert IUD
d) epileptics can’t use OCP
e) mucus method has Pearl index < or equal to 5 preg/100 years if couple abstain 2 days prior to ovulation
f) unilateral tuboovarian abscess is associated with IUD

A

f) unilateral tuboovarian abscess is associated with IUD

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
  1. In regard to the OCP

a) older women (>35yo) are at increased risk of arterial thromboembolism regardless of whether they smoke
b) the principle action of the POP is to inhibit ovulation
c) Diane 35 is likely to take over as the most frequently used OCP in well asymptomatic young women
d) OCP containing the new progesterones gestodene and desogesteral have been shown to be more effective at preventing pregnancy than the older formulations
e) Phenytoin does not affect the efficacy of 30-35 microgram OCP formulations

A

a. older women (>35yo) are at increased risk of arterial thromboembolism regardless of whether they smoke

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  1. A woman has a regular period every 28 days. She has spotting around day 14 of her cycle. Which of the following is correct?

a) oestrogen BTB
b) progesterone BTB
c) oestrogen withdrawal bleeding
d) progesterone withdrawal bleed

A

c) oestrogen withdrawal bleeding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. Largest drop out rate in first year of use?

a) Micronor (POP )
b) norplant
c) progesterone coated IUD
d) depo provera
e) no difference

A

d) depo provera ( 40-70% discontinue at 1 year )

CONTINUATION RATES — A systematic review of hormonal and intrauterine methods of contraception in young women found limited data about continuation rates [49]. In a prospective study that was not included in the systematic review, 12-month continuation rates among 1099 urban adolescents (age 14 to 19 years of age who were provided with contraception at no cost were as follows [50]:
●Levonorgestrel intrauterine system (n = 330) – 81 percent
●Copper intrauterine device (n = 55) – 76 percent
●Etonogestrel implant (n = 378) – 82 percent
●Depot medroxyprogesterone acetate (n = 112) – 47 percent
●Oral contraceptives (n = 146) – 47 percent
●Contraceptive patch (n = 21) – 41 percent

17
Q
  1. What is the chance of conception with one act of intercourse on the day of the LH surge?

a) 5%
b) 20%
c) 30%
d) 50%

A

c. 30%

Probability of pregnancy after unprotected intercourse by timing of coitus
3 days before ovulation 15 percent
1 or 2 days before ovulation 30 percent
day of ovulation 12 percent
1 or 2 days after ovulation near zero
Adapted from Trusell, J, et al. Contraception 1998; 57:363

18
Q
  1. What is the concern about a pregnancy after post-coital contraception fails?

a) multiple pregnancy
b) abnormal fetus
c) increase risk of ectopic
d) increase risk of miscarriage

A

c) increase risk of ectopic

19
Q
  1. Who is most likely to have an ectopic pregnancy, one who conceives while using?

a) condoms
b) diaphragms
c) minipill
d) OCP
e) No contraception

A

e) No contraception

20
Q
  1. Pelvic actinomycosis infection

a) should be treated with streptomycin
b) is a gram negative fungus
c) is usually R sided
d) may occur secondary to uterine colonisation which occurs with 5% of plastic IUD users

A

d) may occur secondary to uterine colonisation which occurs with 5% of plastic IUD users

21
Q
  1. A 37 yo woman expresses concern about developing ovarian cancer. She took OCP for 1 yr at age 25 and asks whether the use of OCP’s has increased her risk of ovarian cancer. You explain that?

a) OCP use as described by the patient does not alter the risk of ovarian ca
b) OCP use as described decreased the risk of ovarian cancer
c) OCP use as described offer a protective effect for 5-7 yrs
d) OCP use decreased the risk but only if taken for 3 yrs or longer continuously
e) OCP use does not protect against epithelial tumours

A

b) OCP use as described decreased the risk of ovarian cancer

22
Q
  1. Progesterone only pills work by all except?

a) thickens cx mucus
b) sperm toxicity
c) inhibits ovum transport
d) inhibits ovulation
e) endometrial atrophy

A

b) sperm toxicity

23
Q
  1. Which is not effective post-coital contraception?

a) yuzpe regime
b) levonorgestrel
c) IUCD
d) RU 486
e) Single dose danazol

A

e) Single dose danazol

RU 486 (mifepristone)

Methods of Emergency Contraception

Estrogen and progestin (100 μg of ethinyl estradiol and 0.5 mg of levonorgestrel given twice, with 12 hours between doses) taken 0 to 72 hours post UPSI. About 75% of pregnancies prevented (YUZPE regime 3-5 OCP repeated 12 hrs later)

Levonorgestrel (0.75 mg given twice, with 12 hours between doses) taken 0 to 72 hours. 75 to 85% of pregnancies prevented

High-dose estrogen (e.g., 5 μg of ethinyl estradiol daily for 5 days). Taken 0 to 72 hours post UPSI, Equivalent to estrogen-progestin

Mifepristone (a single dose of 10, 50 or 600 mg)
0 to 120 hours. Widely used in China in a variety of lower doses; not licensed anywhere else for emergency contraception. 85 to 100% effective

Copper intrauterine device
0 to 120 hours after the earliest estimated day of ovulation. Available worldwide, but not licensed for emergency contraception. Failure rate < 1%

24
Q
  1. If get pregnant despite using MAP? ( morning after pill )

a) more likely preg will be ectopic
b) more likely sp ab
c) more likely twins
d) more likely fetus will be abnormal

A

a) more likely preg will be ectopic

25
Q
  1. Which is most effective contraception?

a) OCP
b) Depo
c) Condoms
d) Minipill

A

b) Depo

Pearl index 0.3

Pearl index= the number of contraceptive failures per 100 women-years of exposure

26
Q
  1. Tubal sterilisation (diathermy) risk of failure per 1000?

a) 0.1
b) 0.7
c) 3
d) 7

A

d. 7

Clips 1.1 – 1.7 /1000
Bipolar 7/1000

5 year failure rates
Bipolar 3.2 per 1000 procedures
(Fewer than 3 sites tubal coagulation 12.9 per 1000)
Agrees with counselling or 1 in 200-300 failures

27
Q
  1. most effective post coital contraception

a) ethinyloestrodiol 50mg for 5 days
b) ethinylestradiol 200mcg and norethisterone 500mcg repeat in 12 hours
c) Provera 10mg for 5 days
d) Danazol 200mg for 5 days

A

b. YUZpe

ulipristol 30mg within 72 hours up to 85% effective. progesterone receptor modulator. By binding to the progesterone receptor it stops the surge in luteinising hormone which occurs before ovulation. Ulipristal will therefore either inhibit or delay ovulation.

YUZPE & Novak equal efficacy ~75%
Novak: 5 μg of ethinyl estradiol daily for 5 days
Yuzpe - 100 μg of ethinyl estradiol and 0.5 mg of levonorgestrel given twice, with 12 hours
LNG – 1.5mg STAT, or half 12 hours apart (75-85% prevented)
or copper IUD (most effective), use up to 5/7 post UPSI

or mifepristone stat 10-600mg (China) 85-100% effective

28
Q
  1. heavier menstrual periods. Management:

a) commence NSAIDS
b) removal of IUCD
c) removal of IUCD and start antibiotics
d) removal of IUCD and perform laparoscopy
e) removal of IUCD and perform hysteroscopy

A

a) commence NSAIDS

trial mefenamic acid