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Obs and Gynae > Contraception > Flashcards

Contraception Flashcards

1
Q

COC action

A

Inhibits ovulation

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2
Q

Progesterone only pill (excluding desogestrel) mechanism of action?

A

Thickens cervical mucous

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3
Q

Desogestrel mechanism of action

A

Inhibits ovulation

also thickens cervical mucous

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4
Q

Injectable contracaption

A

Inhibits ovulation

also thickens cervical mucous

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5
Q

Implant

A

Inhibits ovulation

also thickens cervical mucous

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6
Q

IUD

A

Decreases sperm motility and survival

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7
Q

IUS

A

Prevents endometrial proliferation

also thickens cervical mucous

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8
Q

Aura and MEC categories

A

COC - MEC 4
Progestogen based methods and IUS - MEC2
Only copper IUD is MEC1

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9
Q

Most common side effects occurring within 6 months of IUS insertion?

A

Irregular bleeding

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10
Q

Methods of emergency contraception

A

Levonogestrel 1.5mg
Ulipristal 30mg
Copper IUD (can be used within 5 days of unprotected sex or likely day of ovulation)

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11
Q

How long do you have to deliver semen sample?

A

Must be delivered within 1 hour

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12
Q

Which form of contraception is associated with weight gain?

A

Depo-provera

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13
Q

Which form of contraception should you avoid in wheelchair users?

A

Should avoid COC as they are at a higher risk of DVT/PE (due to immobility)

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14
Q

How long can you get away without contraception for after having a baby?

A

3 weeks if not breast feeding

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15
Q

Absolute contraindication to IUD/IUS?

A

Pregnancy/pelvic inflammatory disease

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16
Q

Someone starts COC and then develops migraine with aura what do you do?

A

Immediately stop COC and switch to progesterone only pill

17
Q

COC increases risk of which types of cancer?

A

Breast cancer, cervical cancer

18
Q

COC reduces risk of which types of cancer?

A

Endometrial cancer and ovarian cancer

19
Q

When is predicted ovulation?

A

14 days before the next cycle

20
Q

Where should the implant be inserted?

A

Subdermal, non-dominant arm

21
Q

When should you insert nexplanon?

A

This is a progesterone-only implant
Can be inserted up to and including day 5 of cycle. After this would need to use extra-precaution for 7 days

Licensed for use up to 3 years

22
Q

Primary mode of action of the implant

A

Inhibits ovulation

23
Q

Progesterone only pills and antibiotics?

A

No need for extra precautions

24
Q

Nexplanon and bleeding?

A

Can initially cause heavy bleeding

25
Q

The COC and surgery

A

Stop 4 weeks before surgery and start 2 weeks after

26
Q

Main adverse effect of nexplanon

A

Irregular menstrual bleeding

27
Q

Mechanism of IUD when used as emergency contraception?

A

Toxic to egg and sperm

28
Q

Pear l index 0.2

A

For every 1000 women using contraception, only 2 will become pregnant

pearl index measures how many become pregnant per 100 women

29
Q

Most common side effect of POP?

A

Irregular bleeding

Obs and Gynae (8 decks)

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