Contraception Flashcards by Miranda King

Combined Hormonal Contraception

Pill
Patch
Ring

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Other use of cyproterone acetate

Acne and hirsutism

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Mode of action of combined hormonal contraception

Inhibits ovulation

Also thickens cervical mucus, thins endometrial lining

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Starting OCP or POP - two ways

Start in first 5 days of period

Any time in cycle with barrier methods for 7 days

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Taking OCP

21 days then 7 day break

Can take back to back packs

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Contraindications to OCP

Migraine with aura 
<6 weeks post-natal and breast feeding 
<4 weeks post natal and risk of VTE 
Smoker >35  
BRCA mutation 
Liver disease 
Breast cancer

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What is desogestel

Progesterone only pill

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Mode of action of POP (except desogestel)

Thickens cervical mucus

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Mode of action of desogestel

Inhibits ovulation

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Types of implant

Nexaplanon

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Mode of action of implant

Inhibits ovulation

Also thickens cervical mucus

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Treatment of nexaplanon-induced irregular/heavy bleeding

OCP

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Progesterone contraceptives

POP
Implant
Depo Injection

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Mode of action of depo injection

Inhibits ovulation

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Delivery of depo

How long last for?

Every 13 weeks

Lasts 14 weeks

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Duration of nexaplanon

Up to 3 years

Which contraception can you use any time after birth?

Implant
Depo injection
Progesterone only pill
Barrier methods

Which contraception can you use within 48 hours of birth?

IUD or IUS

Insertion of IUD or IUS after birth

Within 48 hours or after 4 weeks

Who to avoid depo in?

Those over 45

Examples of IUS

Mirena
Kyleena
Jaydess

Mode of action of IUS

Effect on implantation

Insertion of IUS

Can be inserted at anytime in cycle if no unprotected sex in past 3 weeks since LMP

Mode of action of Cu-IUD

Prevent fertilisation

Emergeny contraception options

Levonelle Ellaone Copper-IUD

When can use levonelle

Within 72 hours of unprotected sex

Mode of action of levonelle and ellaone

Delays ovulation | = high dose progesterone

When can use ellaone

Within 5 days of unprotected sex

Conditions to ellaone use

Must wait 5 days before beginning hormonal contraception | Cannot use if have used hormonal contraception in the past 7 days

When can use copper-IUD

Within 3 days of unprotected sex | Effective as contraceptive immediately

Not breast-feeding | What contraception can started at 3 weeks?

Combined pill, ring or patch

What contraception can be started at 6 weeks? | Doesn't matter whether breast feeding or not

Combined pill Ring Patch Diaphragm `

Contraindications for progesterone only pill and implant

Discontinue in CV disease or stroke | Breast cancer

Contraindication for IUS

48 hour-4 weeks pp Post-partum sepsis Post-abortion sepsis Don't start in long QT

What is clomifene citrate used for?

PCOS | Egg retrieval

Mode of action of clomifene citrate

Induces ovulation via release of GnRH