Contraception Flashcards

1
Q

What is the Fertility Awareness method?

A

The awareness of the fertile period during a cycle and either abstaining or using the barrier method during that time

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2
Q

State the four subtypes of Fertility Awareness

A

Standard Days
Cervical Mucous
Basal Body Temp
Sympothermal

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3
Q

Describe the ‘Standard Days’ subtype of Fertility Awareness

A

If your cycle is between 26 and 32 days long, days 8-19 are the most fertile

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4
Q

Describe the ‘Cervical Mucous’ subtype of Fertility Awareness

A

Just prior to ovulation the oestrogen levels increase which makes the mucous thin and stretchy to optimise fertilisation
Be aware that intercourse/breast feeding/female hygiene products can falsely alter

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5
Q

Describe the ‘Basal Body Temp’ subtype of Fertility Awareness

A

Temperature increase of atleast 0.2 degrees with an increase in Progesterone
Fertility peaks a few days before this (so not very efficient)

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6
Q

Describe the ‘Sympothermal’ subtype of Fertility Awareness

A

Combines Cervical Mucous and Basal Body Temperature

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7
Q

Describe the Lactational Amenorrhoea method

A

Full or almost exclusively breastfed
<6 months old
Menses not returned

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8
Q

Describe the pathophysiology of Lactational Amennorhoea

A

Prolactin supresses GnRH release from hypothalamus

FSH and LH decreases and therefore Oestrogen

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9
Q

What is the difference between Diaphragms and Caps?

A

Diaphragms should lie diagonally between pubic bone and posterior fornix
Caps sit directly over the cervix and must be left in place for 6-8 hours

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10
Q

What is the pathophysiology of the COCP?

A

Supresses FSH and LH hence decreasing ovulation

Thickens cervical mucous

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11
Q

Describe the two types of COCP

A

Monophasic - each pill contains the same amount of oestrogen and progesterone
Phasic - levels of hormones vary across the pills, therfore it is important they’re taken in order. Aims to reduce SE

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12
Q

Name 5 contraindications to the COCP

A
BMI>35
Breast Feeding
Hypetensive
Migraines with Aura
Smoker aged > 35
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13
Q

What cancers does the COCP decrease the incidence of, and what do they increase the incidence of?

A

Reduced risk of ovarian/uterine/colon

Increased risk of breast and cervical

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14
Q

Give three drug interactions of the COCP

A

Rifampicin
Anticonvulsants (Carbemazepine)
Antiretrovirals

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15
Q

Describe the pathophysiology of the Progesterone Onlly pill

A

Thickens cervical mucous and thins endometrium

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16
Q

State two benefits of POP

A

Can be used when breast feeding

Avoids CVS risks of Oestrogen

17
Q

State three disadvantages of POP

A
Menstrual problems (Amenorrhoea and break through)
Taken at exactly the same time
Increased risk of Ovarian Cysts and Breast Cancer
18
Q

State three benefits of Nexplanon

A

Lasts for three years
Can be used when breast feeding or at high BMI (replaced sooner)
Decreases risk of endometrial cancer

19
Q

State three disadvantages of Nexplanon

A

Irregular bleeding
Painful
Increased risk of breast cancer

20
Q

Describe 3 Progesterone only injections

A

Depo-Provera every 12 weeks
Sayana Press every 13 weeks
Noristerat every 8 weeks

21
Q

A benefit of PO injections is that there are no known interactions. Describe 5 disadvantages.

A
Delayed return in fertility
Increased body weight
Decreased mineral bone density
Persistent bleeding
Increased breast cancer risk
22
Q

What is the IUD?

A

AKA the Copper Coil
Creates inflammatory reaction within the endometrium rendering it unfavourable for fertilised egg
Can be used as emergency contraception if fitted within 5 days

23
Q

What is the IUS?

A

AKA Mirena Coil (progesterone releasing)
First line therapy for menorrhagia
Second line therapy for dysmenorrhoea

24
Q

Give 5 contraindications to the Coil

A
Infection
Less than a month PP
Uterine structure abnormalities
Copper Allergy
Gynae malignancy
25
Q

Give 3 advantages to the Coil

A

Good ‘non hormonal’ option
Can be used when breast feeding
Fertility returns to normal

26
Q

Give 3 disadvantages to the Coil

A

Risk of infection/perforation
Irregular bleeding for up to 6 months
Increased risk of Ectopic Pregnancy

27
Q

Give two pill options for Emergency Contraception

A
Levonorgestrel (able to be used for 72hrs after)
Ulipristil Acetate (SPRM - available for use for 120 hours)
28
Q

Where is Nexplanon inserted?

A

Subdermally, non dominant arm

29
Q

How does the Depo-Provera and Nexplanon provide contraception?

A

Inhibits ovulation

30
Q

How long does it take for POP to be effective?

A

2 days

31
Q

What are the Fraser guidelines?

A

Specific guidelines to providing contraception to under 16s without parental involvement

32
Q

Describe the Fraser Guidelines

A

1) The young person understands the advice given to them
2) The young person cannot be persuaded to have their parents informed (either the patient or the doctor telling them)
3) The young person is likely to have sexual intecourse anyway
4) Unless the person receives the contraception, their physical or mental health will suffer
5) It is in their best interest