Oral Contraceptives Flashcards

1
Q

what is the synthetic estrogen name?

A

ethinyloestradiol

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2
Q

levonorgestrel use for 3 things:

A

OCP
HRT
morning after pill

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3
Q

which progesterone pill is a cousin of spirinolactone?

A

drospirenone

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4
Q

what is the combined oral contraceptive pill?

A

estrogen and progesterone in fixed ratio of doses: 21 active, 7 placebo

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5
Q

what is sequential preparations of OCP?

A

variation in the pills built-into the 21 day cycle

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6
Q

what pill is newer with anti-androgenic properties?

A

cyproterone

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7
Q

cyproterone does what?

A

regulate periods
helps PCOS
OCP

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8
Q

which progesterone pill is a bit androgenic?

A

levonorgestrel

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9
Q

drospirenone is what kind of drug?

A

aldosterone receptor antagonist

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10
Q

which pill is banned in france?

A

cyproterone

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11
Q

which type of OCP most effective?

A

combined oral contraceptive pill

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12
Q

what is the ‘mini-pill’?

A

progesterone-only pills

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13
Q

why use progesterone-only pills?

A

if estrogens are contraindicated:

1. lactating women

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14
Q

progesterone-only pills stipulation?

A

MUST be taken at the SAME time every day

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15
Q

progesterone does what to the hormones?

A

inhibit LH

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16
Q

progesterone/levonorgestrel in morning after pill does what?

A
  1. makes endometrium harder to implant
  2. changes mucus
  3. interfere with cervix, uterine contractions
17
Q

which OCP has highest risk for thromboembolism?

A

cyproterone

18
Q

Risk of thromboembolism with OCP is highest when?

A

first year of use

19
Q

OCP and cancer?

A

oestrogens may increase risk of breast and cervical (screening)

20
Q

OCP and uterine cancer?

A

oestrogen increase risk

progesterone negates that risk

21
Q

How does COCs protect against iron deficiency?

A

reduce menorrhagia and dysmenorhoea

22
Q

COCs and benign breast tumours?

A

protective

23
Q

COC reduce which cancers?

A

endometrial
ovarian
colorectal
benign breast

24
Q

how much drug in morning-after pill?

A

1500ug levonorgestel

25
Q

when take morning-after pill?

A

within 72 hours of unprotected sex

26
Q

vaginal ring, what drug?

A

ethinyloestradiol