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Repodction > Short acting contraception II > Flashcards

Short acting contraception II Flashcards

1
Q

What is tri-cycling?

A

Off-licence regime: 3 packs taken back to back then 7 days off

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2
Q

Shortened hormone free interval?

A

3 weeks of CHC then 4 days off

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3
Q

Extended use

A

Method used continuously until breakthrough bleeding occurs, then stop for 4-7 days

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4
Q

Why can CHC be thrombogenic?

A

Reduces levels of antithrombin III and protein S

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5
Q

How often do you need to check BP if prescribing COC?

A

Check initially at 3 months and then annually

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6
Q

What is cyproterone acetate?

A 
Progestogen derivative (DIANETTE !!)
-given if they need acne and hirsutism treatment)
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7
Q

May be small risk of increased MI in ____

A

COC

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8
Q

Why can’t you give CHC to patients with migraine with aura?

A

Migraine with aura increases risk of ischaemic stroke

-CHC increases risk further

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9
Q

Breast cancer and CHC?

A

Personal history – CHC contraindicated
Family history – UKMEC 1
BRACA – UKMEC 3

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10
Q

CHC and ovarian cancer?

A

20% reduction in ovarian cancer for every 5 years of use to a maximum 50% reduction after 15 years of use

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11
Q

CHC and endometrial cancer?

A

50% risk reduction in endometrial cancer

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12
Q

Functional ovarian cysts and CHC?

A

I think CHC helps stop formation of cysts

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13
Q

Side effects of patch?

A

More breast pain/nausea/painful periods (compared to using pill/ring)

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14
Q

Good things about the ring

A

Less bleeding problems /acne/irrtiability/mood changes

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15
Q

Guidance for sex after levonelle?

A

Use protection for 7 days after

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16
Q

Guidance for contraception after ellaOne (ulipristal acetate)?

A

Don’t start contraception for at least 5 days –> hormonal contraception interferes with the action of ellaOne

17
Q

Two or more pills missed

A

Take the most recent missed pill
Take the remaining pills at the correct time
Use condoms or abstain until 7 pills have been taken consecutively

18
Q

One missed pill

A

Over 24 hours and less than 48 hours
Take the missed pill as soon as it is remembered
Remaining pills are taken at the normal time
EC is not required

19
Q

If more than 48 hours without pills, what should you consider if you missed them over:
Days 1-7
Days 8-14
Days 15-21?

A

Days 1-7: consider emergency contraception
Days 1-8: no extra instructions
Days 15-21: omit pill free interval

20
Q

How long is the patch active for once you take it off?

A

Removal of patch: can remain off up to 48 hours before efficacy is reduced

21
Q

How long can the patch be worn for?

A

Patch can be worn for up to 9 days (7 days +48 hours) before efficacy reduced

22
Q

How long is the patch free interval?

A

Normally one week but can be extended up to 9 days (7 days + 48 hours) before efficacy reduced

23
Q

How long can the ring be left out of the vagina for?

A

Ring can be left out of vagina for up to 48 hours before efficacy is reduced

24
Q

How long can the ring be worn for?

A

Normally wear for 3 weeks then week free but can be worn for up to 4 weeks without efficacy being reduced

25
Q

How long is your ring-free period?

A

Normally one week but ring-free interval can be extended by 48 hours without efficacy being reduced

26
Q

POP mechanism of action?

A

Primary action:
-thickening of cervical mucous
(etonogestrel suppresses ovulation)
Secondary action:
-suppresses ovulation in up to 60% of cycles (levonogestrel)
-decreases endometrial receptivity to blastocyst
-reductio in cilia activity in fallopian tube

27
Q

POP fits UKMEC4 in which circumstance?

A

Current breast cancer

28
Q

POP interacts with which liver enzymes?

A

Cytochrome P450

  • suitable alternative include depot, IUD and IUS
  • effect on liver enzymes continue for 28 days after stopping
29
Q

How to take levonorgestrol or norethisterone? (These are the older POP)

A
  • Daily at the same time
  • No breaks
  • Within 24-27 hours of last does
30
Q

How to take etonorgestrel?

A
  • Daily at the same time within 24-36 hours of last dose

- No break

31
Q

What happens if you miss a POP pill and have UPSI?

A

Need to take emergency contraception and use protection for 2 days

32
Q

How does the combined oral contraceptive pill work?

A

Inhibits ovulation

33
Q

How does the implantable contraceptive (etonogestrel) work?

A

Inhibits ovulation

34
Q

How does the IUD work?

A

Decreases sperm motility and survical

Repodction (52 decks)

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