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OBST GYN 712 > progesterone only pill > Flashcards

progesterone only pill Flashcards

(47 cards)

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1
Q

What relies on correct use in the context of progestogen-only pills (POP)?

A

Contraceptive effectiveness

2 hr window. cerrezate has 12 hr window

Incorrect use of POPs can lead to unintended pregnancies

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2
Q

What is considered a missed dose for a traditional POP?

A

More than 3 hours late

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3
Q

What is the estimated risk of pregnancy during the first year of typical POP use?

A

About 9%

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4
Q

How effective may POPs be if used perfectly?

A

More than 99% effective

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5
Q

What factor can affect the effectiveness of POPs if it occurs shortly after taking the pill?

A

Vomiting

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6
Q

Does body weight or body mass index (BMI) affect the effectiveness of POP?

A

No

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7
Q

Is a double-dose POP required for individuals who are overweight?

A

No

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8
Q

What is the evidence regarding POP effectiveness after bariatric surgery?

A

Insufficient evidence

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9
Q

What can reduce the contraceptive effectiveness of POPs?

A

Concomitant use of enzyme-inducing drugs

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10
Q

Who can use all types of POPs according to FSRH guidelines?

A

Medically eligible individuals between menarche and age 55 years

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11
Q

What conditions are UKMEC3 or UKMEC4 for the use of all POPs?

A
  • Breast cancer
  • Arterial thromboembolism during POP use
  • Decompensated cirrhosis
  • Hepatocellular tumours
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12
Q

What specific condition should individuals with DRSP POP avoid?

A

Severe renal insufficiency or acute renal failure

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13
Q

What is the association between POP use and venous thromboembolic events?

A

No increase in risk

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14
Q

Is there an increase in risk of thrombotic stroke or myocardial infarction with POP use?

A

No increase in risk

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15
Q

What is the association between hormonal contraception and breast cancer risk?

A

Possible small increase in risk with current or recent use

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16
Q

What impact do all effective contraceptive methods, including POPs, have on ectopic pregnancy risk?

A

Reduces the risk compared to no contraception

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17
Q

What should individuals considering a traditional POP be advised about regarding bleeding patterns?

A

Bleeding pattern is unpredictable

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18
Q

What percentage of LNG POP users may be amenorrhoeic after 3 months?

A

About 2%

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19
Q

What is the evidence regarding POP use and mood changes?

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A

Does not establish a causal relationship with depression

20
Q

What does the evidence say about weight gain and POP use?

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A

Not clear evidence of significant weight gain

21
Q

When can traditional and DSG POP be started?

Study These Flashcards
A

Days 1-5 of menstrual cycle, by day 5 after abortion, or by day 21 after childbirth

22
Q

What precautions are required when starting DRSP POP outside specific days?

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A

Additional contraceptive precautions for 7 days

23
Q

What should individuals using enzyme-inducing drugs be informed about?

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A

Contraceptive effectiveness of POPs could be reduced

24
Q

What is the recommendation regarding starting POP after taking ulipristal acetate (UPA)?

Study These Flashcards
A

Wait 5 days after UPA before starting a POP

25
What should the initial consultation for POP include?
Comprehensive assessment of medical conditions and drug history
26
What is the duration of the POP prescription for eligible individuals?
12-month supply
27
What is the recommendation for follow-up after initiating POP?
Users should generally be reviewed annually
28
Until what age can POP be used for contraception?
Age 55 years
29
What are progestogen-only formulations used for?
A suitable alternative for oral contraceptives for those with contraindications to oestrogen or who prefer not to use a COC.
30
How do POPs inhibit sperm penetration?
By thickening cervical mucus and may prevent ovulation in 50% of cycles.
31
What is the effectiveness of the desogestrel-only formulation?
Consistently inhibits ovulation in 97% of cycles.
32
When should a POP be initiated using the conventional method?
Within the first five days of the menstrual cycle.
33
What should patients do after initiating POPs if they are sexually active?
Use condoms or avoid sexual intercourse for the first two days.
34
What is recommended 21 days after unprotected sexual intercourse before starting a POP?
A pregnancy test.
35
What are the three fully funded POPs available in New Zealand?
* Microlut (Levonorgestrel 30 micrograms) * Noriday 28 Day (Norethisterone 350 micrograms) * Cerazette (Desogestrel 75 micrograms)
36
What are contraindications for POP use?
* Unexplained vaginal bleeding * Severe liver disease * Current breast cancer
37
In which cases should hormonal contraceptives be used with caution?
In patients with current or a history of ischaemic heart disease or stroke.
38
What is essential for POPs to provide effective contraception?
Correct and consistent use.
39
How often should POPs be taken?
Continuously, with an active pill each day.
40
What is the time restriction for taking Norethisterone and Levonorgestrel-only pills?
Must be taken within three hours of the regular dosing time.
41
What is the time restriction for taking Desogestrel-only pills?
Must be taken within 12 hours of the regular dosing time.
42
What benefits do POPs offer compared to COCs?
The same level of contraceptive effectiveness and can be used in situations where COCs are not recommended.
43
Can POPs be used when breastfeeding?
Yes, they can be initiated at any time post-partum.
44
What percentage of patients taking a POP may experience breakthrough bleeding?
Up to 70%.
45
What happens to bleeding patterns in patients taking POPs?
They may be unpredictable; 50% have a normal cycle, 40% have an irregular cycle, and 10% have no cycle.
46
What may improve bleeding regularity for some patients on POPs?
Changing to a different POP, such as a desogestrel-only pill.
47
Is there evidence that POPs cause weight gain?
No convincing evidence.

OBST GYN 712 (18 decks)

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