Contraception Flashcards

1
Q

When can contraception be stopped after the menopause?

A

24 months after last period in a woman <50 yrs

12 months after last period in a woman >50yrs

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2
Q

How does contraception also treat acne?

A

increases sex binding immunoglobulin that reduces testosterone in the blood

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3
Q

What is special about the coil?

A

only type that isnt reduced in effacicy by liver enzymes

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4
Q

How does the mirena coil work?

A

progesterone only
thickens the cervical mucus making a hostile environment
prevents endometrial proliferation

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5
Q

How long does the mirena last for?

A

5 years

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6
Q

What are the side effects of the mirena coil?

A

acne and headaches
can get cramps after insertion
bleeding is common for the first 6 months

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7
Q

How does the copper IUD work?

A

direct toxic effect on sperm - decreases motility and survival
NON HORMONAL

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8
Q

How long does the copper IUD last for?

A

5 or 10 years - depending on the type

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9
Q

What are the side effects of the copper IUD?

A

heavy bleeding

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10
Q

What type of coil can be used for emergency contraception?

A

copper

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11
Q

What are the risk factors for coils?

A

difficult to fit in women with fibroid uterus’
increase risk of ectopic pregnancy
1 in 20 fall out

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12
Q

What is the action of the rod?

A

progesterone hormone

thickens the cervical mucus and inhibits ovulation

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13
Q

How long and effective is the rod?

A

lasts 3 years

most effective type of contraception

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14
Q

Where is the rod inserted?

A

triceps subdermally

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15
Q

What is the side effect of the rod?

A

bleeding

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16
Q

How does combined contraception work?

A

oestrogen and progesterone

supresses ovulation

17
Q

What are examples of combined contraception?

A

vaginal ring
patch
combined pill

18
Q

Who is the combined contraceptive pill contraindicated?

A
high BMI
age >35yrs
smokers
FH of blood clots
migraine with aura
BP >140/90
19
Q

How do you take the CCP?

A

start within 5 days of your cycle

take for 21 days then a 7 day break

20
Q

What are the risks of CCP?

A

venous thrombosis
breast cancer risk increases
cervical cancer risk increases

21
Q

What are the benefits of CCP?

A

20% reduction in ovarian and endometrial cancer for every 5 yrs use

22
Q

How should CCPs be managed around surgery?

A

stopped 4 weeks before surgery

restarted 2 weeks later

23
Q

When can CCPs be restarted post partum?

A

6 weeks

24
Q

How does the progesterone only pill work?

A

progesterone

ovulation suppression and endometrial thinning

25
Q

How does the depo injection work?

A

progesterone
get it every 3 months - can be self administered
inhibited ovulation and thickens cervical mucus

26
Q

What are the benefits of the depo injection?

A

high chance of amenorrhea

good for those with learning difficulties/disabilities

27
Q

What are the downsides to the depo injection?

A

lowers oestrogen and FSH so risk of osteopenia - do DEXA scan
leads to weight gain

28
Q

How does the mechanical barrier of a diaphragm work?

A

cap goes round the cervix, cover in spermacide and put it in 3 hours before sex and keep it in for 6 hours after sex

29
Q

What are the tubual occlusion options for contraception?

A

vasectomy and female sterilisation (increases risk of ectopic pregnancy)