Gynaecology Conditions 1 Flashcards

1
Q

Define abnormal uterine bleeding?

A

 Any bleeding that is either:
• Abnormal in volume (excessive duration or heavy)
• Irregularity, timing (delayed or frequently)
• Non-menstrual bleeding – IMB, PCB, PMB

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2
Q

Define amenorrhoea?

A

 Absence of menstruation

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3
Q

Define primary amenorrhoea? When to suspect it?

A

 Failure to start menstruating
 Suspect and assess when girls have not established menstruation by age of 13 (if no secondary sexual characteristics) or 15 (if normal secondary sexual characteristics)

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4
Q

Causes of primary amenorrhoea?

A
  • Often due to late puberty (familial)
  • May be pregnant
  • Structural abnormalities of external/internal genitalia
  • Hypothalamic-Pituitary-Ovarian causes (common)
  • Hyperprolactinaemia
  • Ovarian causes:
  • Uterine causes:
  • Turner’s syndrome or androgen insensitivity syndrome
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5
Q

What causes HPO problems in primary amenorrhoea?

A

o Stress, emotions, exams, increased exercise, weight loss

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6
Q

Causes of hyperprolactinaemia in primary amenorrhoea?

A

o May have galactorrhoea
o Thyroid problems
o Renal failure

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7
Q

Causes of ovarian failure in primary amenorrhoea?

A

o PCOS

o Ovarian insufficiency/failure

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8
Q

Causes of uterine causes of primary amenorrhoea?

A

o Pregnant
o Asherman’s syndrome (uterine adhesions after D&C)
o Post-pill amenorrhoea

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9
Q

Define secondary amenorrhoea?

A

 Previous normal menstruation but stops for 3-6 months or more, 6-12 months in women with irregular periods

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10
Q

Causes of secondary amenorrhoea?

A
  • Physiological
  • Hypothalamic-Pituitary-Ovarian causes (common):
  • Hyperprolactinaemia
  • Ovarian causes:
  • Uterine causes:
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11
Q

Physiological causes of secondary amenorrhoea?

A

o Pregnancy
o Menopause
o During lactation

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12
Q

HPO causes of secondary amenorrhoea?

A

o Stress, emotions, exams, professional athletes, increased exercise, weight loss

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13
Q

Hyperprolactinaemia causes of secondary amenorrhoea?

A

o May have galactorrhoea
o Thyroid problems
o Renal failure

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14
Q

Ovarian causes of secondary amenorrhoea?

A

o PCOS
o Ovarian insufficiency/failure
 Secondary to chemotherapy, radiotherapy or surgery
 Genetic disorders – Turner’s

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15
Q

Uterine causes of secondary amenorrhoea?

A

o Asherman’s syndrome (uterine adhesions after D&C)

o Post-pill amenorrhoea

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16
Q

Tests in amenorrhoea?

A

 BhCG to exclude pregnancy
 Serum free androgen index (PCOS)
 FSH/LH (low if HP axis cause)
• If FSH>20IU/L – premature menopause – karyotyping
 Prolactin (Increased by stress, hypothyroidism, prolactinomas, metoclopramide)
• If >1000IU/L – MRI scan
 TFTs
 Testosterone levels
• >5nmol/L indicate androgen secreting tumour or late-onset CAH

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17
Q

Treatment of amenorrhoea?

A

 Related to cause

 Refer to secondary care for specialist investigations

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18
Q

Treatment of amenorrhoea if mild HPO malformation?

A

o Medroxyprogesterone acetate (10mg/24h for 10 days) challenge will stimulate endometrium production and cause period
o Reassurance and diet advice, stress management
o Psychiatric help if depression indicated
o Still use contraception as ovulation may occur at any time
o Clomifene – restores period in mild cases

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19
Q

Treatment of amenorrhoea if shut-down HPO malformation?

A

o Stimulation by gonadotrophin-releasing hormone (goserelin)
o Used in specialist fertility clinics only

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20
Q

Treatment of amenorrhoea if premature ovarian failure?

A

 Premature ovarian failure needs HRT and pregnancy can be achieved using IVF or oocyte donation

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21
Q

Complications of amenorrhoea?

A
	Osteoporosis
•	May need Vit D and Ca supplements
•	Offer HRT or COCP if needed
	CVD
	Infertility
	Psychological stress
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22
Q

Define olgimenorrhoea? Most common cause?

A

o Menses occurring less frequently than every 35 days
o More common in extremes of reproductive life
o Common cause is PCOS

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23
Q

Define menorrhagia? How common?

A

o Excessive menstrual blood loss which interferes with QoL, social or emotional life
o Defined as >80ml/cycle but impossible to measure
o 30% of women report heavy periods

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24
Q

Causes of menorrhagia?

A

 Dysfunctional uterine bleeding (DUB)
 Anovulatory cycles
 IUCD
 Pathological causes

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25
Q

Dysfunction uterine bleeding causing menorrhagia?

A
  • No pathology, 40-60%

* Diagnosis of exclusion

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26
Q

Anovulatory cycles causing menorrhagia?

A

• Extreme reproductive life

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27
Q

Pathological reasons causing menorrhagia?

A

Polyp
Adenomyosis
Leiomyoma
Malignancy

Coagulopathy
Ovulatory dysfunction
Endometrial
Iatrogenic
Not classified
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28
Q

Iatrogenic reasons causing menorrhagia?

A

 IUCD

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29
Q

Key history pieces in menorrhagia history?

A

 Note cycle bleeding and length
• Heavy, prolonged vaginal bleeding
 Change in volume (clots, floods, etc)
 Worsening impact on life – school, work, home, sexual
 Enquire about other symptoms: premenstrual syndrome, IMB, PCB, dyspareunia, pelvic pain

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30
Q

Signs in menorrhagia?

A
	Anaemia
	Abdomen exam
•	Masses
	Ensure smear up to date
	Inspect cervix and take swabs if needed
	If indicated bimanual examination
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31
Q

Investigations in menorrhagia?

A
	Pregnancy test
	Bloods – FBC, (TFTs, clotting (if indicated))
	Smear if due & STI screen
	USS
	Hysteroscopy
	Endometrial sampling
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32
Q

When to refer to secondary care in menorrhagia? Investigations?

A

• Criteria
o Persistent IMB
o Symptoms failed to improve on medical management
o Women >45 with heavy bleeding, endometrial pathology
o Abnormal examination
o Risk factors for endometrial cancer
• TVUS and hysteroscopy if abnormal

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33
Q

1st line medical management of menorrhagia?

A

Mirena IUS
 Release levonorgestrel – leading to atrophy of endometrium
 Reduces bleeding and 30% amenorrhoeic at 12 months
 SE – irregular bleeding for 1st 4-6 months and progestogenic effects

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34
Q

2nd line medical management of menorrhagia?

A

NSAIDs (mefenamic acid)
 Taken during days of bleeding

Tranexamic Acid
 Useful in those trying to conceive as non-hormonal
 CI – thromboembolic disease

COCP
 Effective but think CIs

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35
Q

3rd line medical management of menorrhagia?

A

Progestogens
 Medroxyprogesterone acetate (IM every 12 weeks)
 Norethiserone PO (Used short-term to stop heavy bleeding)

GnRH rarely used, only in secondary care

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36
Q

When to use surgical management of menorrhagia?

A

2 drugs tried and failed

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37
Q

Surgical management of menorrhagia? When performed? SE?

A

Endometrial ablation
o 1st line, if uterus is <10 weeks of gestation on palpation
o Removing the full thickness of endometrium with superficial myometrium and basal glands using diathermy/thermal balloon
o Performed with hysteroscopy
o SE – bleeding, infection, uterine perforation, vaginal discharge, infertility
o Need contraception post-operation

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38
Q

Alternative surgical managements and when performed?

A

Uterine Artery Embolisation or Myomectomy
o If uterus is >10 weeks in size or fibrois >3cm, retain ferility

Hysterectomy
o Women not wishing to retain fertility, who have fibroids >3cm
o Vaginal hysterectomy preferred, may need abdominal

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39
Q

Define dysmenorrhoea? How common?

A

o Low anterior pelvic pain, occurring with periods

o 50% women complain of moderate pain, 12% of severe

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40
Q

Pathology of dysmenorrhoea?

A

 Imbalance of prostaglandins and leukotrienes in menstrual fluid which produces vasoconstriction and uterine contractions
 May be responsible for diarrhoea, nausea and headache

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41
Q

Description of primary dysmenorrhoea?

A
  • Pain without organ pathology
  • Often starts with onset of ovulatory cycles
  • Pain begins with period and last 2-3 days
42
Q

Description of secondary causes of dysmenorrhoea? What are they?

A
•	Pelvic pathology
o	Years after onset of menstruation
o	Precede start of period by several days and may last throughout period
o	Associated dysparenunia
o	Caused by:
	Endometriosis
	PID
	Fibroids
	Adhesions
	IUCD
43
Q

Symptoms of dysmenorrhoea?

A

 Crampy pain with ache in groin or back
 Worse in first few days (primary)
 Constant through period (secondary), deep dysparenunia

44
Q

Investigations in dysmenorrhoea?

A

 Abdominal/Vaginal exam
 Speculum and may need swabs/smear if due
 If mass – pelvic USS

45
Q

General advice in dysmenorrhoea?

A
  • Stop smoking
  • TENS may help
  • Tea may help
  • Abdominal/back massage and lying down
46
Q

Pharmacological management in dysmenorrhoea?

A
•	NSAIDs (mefenamic acid) during menstruation
•	Paracetamol
•	If not wanting to conceive:
o	COCP
o	POP
o	Depot medroxyprogesterone acetate
o	Mirena IUS
47
Q

Surgical management in dysmenorrhoea?

A

• If women completed family – hysterectomy in severe, refractory cases

48
Q

Define IMB?

A

o Vaginal bleeding (other than postcoital) at any time during menstrual cycle other than normal menstruation

49
Q

Causes of IMB?

A
	Cervical polyps
	Ectropion
	Fibroids
	Carcinoma
	Cervicitis/Vaginitis
	IUCD
	Hormonal contraception
•	May get breakthrough bleeding when starting
	Chlamydia
	Pregnancy related
50
Q

Assessment of IMB?

A

o Symptom that needs further investigations
o Assessment
 Take menstrual, gynaecological, sexual history (obstetric if indicated)
 Abdominal and PV exam

51
Q

Investigations in IMB?

A
	Exclude pregnancy and STIs
•	Pregnancy test
•	Infection screen (chlamydia and gonorrhoea)
	Smear if overdue
	Bloods
•	FBC, clotting, TFT, FSH/LH
	TVUS if structural abnormality thought of
	Biopsy
52
Q

Referral in IMB?

A

 Abnormal cervix (2 week wait)

 Cervical polyp, pelvic mass, high risk of endometrial cancer (FHx, prolonged cycles, tamoxifen), >45 with IMB

53
Q

Management of IMB?

A
	Depends on cause
	If cancer suspected
•	Urgent referral for investigation
	Infection
•	Abx depending on disease and organism
•	Contact tracing and treatment of sexual partners
54
Q

Hormonal contraception changes in management of IMB?

A

• Common in 1st 3 months after starting contraception
• May need speculum examination if >3 months
o Women >45 need biopsy
• COCP
o Stick with pill for 3 months, use pill with dose of ethinylestradiol to provide cycle control
o Different COCP may be tried
• POP
o Different POP tired
• PO implants/depot/IUS
o First line – COCP for up to 3 months continuously or in usual cycle regimen – repeat as often as needed

55
Q

Management of cervical ectropions, polyps and fibroids in IMB?

A

 Cervical Ectropion’s
• May resolve if COCP stopped or following pregnancy
• Thermal cautery or silver nitrate if needed
 Cervical polyps
• Avulsed and sent for histology
 Fibroids
• Small removed hysterscopically
• Uterine artery embolization
• Large – drugs, vascular embolization or surgery

56
Q

Define PCB? How common?

A
  • Postcoital bleeding
    o Non-menstrual bleeding through vagina immediately after sexual intercourse
    o Around 5% women experience PCB
57
Q

Causes of PCB?

A
	Infection
	Cervical ectropion
	Cervical/Endometrial polyps
	Vaginal/Cervical cancer
	Sexual abuse
	Atrophic change
58
Q

Assessment of PCB?

A

 Take menstrual, gynaecological, sexual history (obstetric if indicated)
 Abdominal and PV exam

59
Q

Investigations in PCB?

A
	Exclude pregnancy and STIs
•	Pregnancy test
•	Infection screen (chlamydia and gonorrhoea)
	Smear if overdue
	Bloods
•	FBC, clotting, TFT, FSH/LH
	TVUS if structural abnormality thought of
	Biopsy
	Persistent PCB needs colposcopy
60
Q

When to refer PCB?

A

 Abnormal cervix (2 week wait)

 Cervical polyp, pelvic mass, high risk of endometrial cancer (FHx, prolonged cycles, tamoxifen), no cause of PCB

61
Q

Management of PCB?

A
	Depends on cause
	If cancer suspected
•	Urgent referral for investigation
	Infection
•	Abx depending on disease and organism
•	Contact tracing and treatment of sexual partners
62
Q

Management of cervical ectropions, polyps and fibroids in PCB?

A

 Cervical Ectropion’s
• May resolve if COCP stopped or following pregnancy
• Thermal cautery or silver nitrate if needed
 Cervical polyps
• Avulsed and sent for histology
 Fibroids
• Small removed hysterscopically
• Uterine artery embolization
• Large – drugs, vascular embolization or surgery

63
Q

Hormonal management in PCB?

A

• Common in 1st 3 months after starting contraception
• May need speculum examination if >3 months
o Women >45 need biopsy
• COCP
o Stick with pill for 3 months, use pill with dose of ethinylestradiol to provide cycle control
o Different COCP may be tried
• POP
o Different POP tired
• PO implants/depot/IUS
o First line – COCP for up to 3 months continuously or in usual cycle regimen – repeat as often as needed

64
Q

Define premenstrual syndrome?

A

o Distressing physical, behavioural and psychological symptoms, in the absence of organic or underlying psychiatric disease
o Recurs during the luteal phase of each menstrual (ovarian) cycle and which disappears or significantly regresses by the end of menstruation

65
Q

How common is PMS?

A
  • 80% have mild or moderate PMS

- 5% have severe PMS

66
Q

Pathology of PMS?

A
  • Suggestion abnormal response to normal progesterone excursions
  • Affects GABA receptors
  • Neurons in PMS preferentially metabolise progesterone into pregnenolone (heightens anxiety) rather than allopregnanolone (anxiolytic)
67
Q

Risk factors for PMS?

A

o FHx of PMS
o High BMI
o Stress
o Traumatic events

68
Q

Symptoms of PMS?

A
  • Mood swings
  • Irritability
  • Depression
  • Stress/Tension
  • Bloating and breast tenderness
  • Headache
  • GI upset
69
Q

Classifying moderate PMS?

A

o Severe PMS involves disruption of interpersonal/work relationships or interference with normal activities

70
Q

DSM-IV criteria for severe PMS?

A

o >5 symptoms present for most of the luteal phase and absence of symptoms post menses (at least one symptom must be from the first 4):
 Markedly depressed mood, feelings of hopelessness or self-deprecation.
 Marked anxiety, tension (being ‘on edge’)
 Marked affective lability (e.g. feeling suddenly sad or tearful)
 Persistent and marked anger/irritability/increased conflicts.

 Decreased interest in usual activities.
 Subjective sense of difficulty in concentrating.
 Lethargy, easy fatigability/lack of energy.
 Marked change in appetite, overeating or specific food cravings.
 Hypersomnia or insomnia
 Subjective sense of being overwhelmed or out of control.
 Other physical symptoms (breast tenderness or swelling, headaches, joint or muscle pain, a sense of ;bloating;, weight gain).

71
Q

Investigations in PMS?

A

• Exclude underlying organic/psychiatric causes
o BP, pulse, thyroid and breast examination
• Symptoms diary filled in over 2 cycles (2-3 months)

72
Q

General measures in PMS?

A

• Improve Healthy Diet
o Less fat, sugar, salt, caffeine and alcohol.
o Regular, frequent small balanced meals rich in complex carbohydrates
• Increase exercise
• Stop smoking
• Schedule stressful tasks to better half of month if needed
• Stress reduction
o Relaxation techniques
o Yoga
o Meditation
o Breathing techniques

73
Q

1st line management in moderate PMS?

A

• COCP (Yasmin, good if wanting contraception too)
o Used cyclically or continuously
• Cognitive behavioural therapy.
• Simple analgesia for pain if needed

74
Q

1st line management in severe PMS?

A

• COCP (Yasmin, good if wanting contraception too)
o Used cyclically or continuously
• Cognitive behavioural therapy.
• Simple analgesia for pain if needed
• SSRI (fluoxetine/sertraline/citalopram)
o Continuous or just for luteal phase of menstruation
o Give 3 months, if benefit then continue for 6-12 months

75
Q

Secondary care medical management of PMS?

A
  • Progesterone or progestogens used alone.
  • Antidepressants other than SSRIs
  • Alprazolam.
  • Diuretics
  • Danazol
  • Transdermal oestrogen
  • GnRH analogues +/- addback HRT
76
Q

Complementary therapies in PMS treatment?

A

o Vitamin B6, calcium and vitamin D, magnesium, evening primrose oil

77
Q

Surgical management of PMS?

A
  • Hysterectomy including oophorectomy with oestrogen-only HRT, last resort for severe PMS
78
Q

Define PCOS?

A

o Hyperandrogenism, oligomenorrhoea and polycystic ovaries on US without other causes of polycystic ovaries

79
Q

How common is PCOS?

A

• Most common endocrine disorder in women:

  • Prevalence = 10% of women at childbearing age.
  • Responsible for ~80% of anovulatory subfertility
80
Q

Pathology of PCOS?

A
  • Excess androgens
  • Androgens are steroid hormones (e.g. testosterone) that stimulates or controls the development and maintenance of male characteristics
    Insulin resistance leads to hyperinsulinemia
81
Q

Effect of excess androgens in PCOS?

A

o Hypersecretion of LH (increased frequency and amplitude of LH pulses).
o LH stimulates androgen secretion from ovarian thecal cells

82
Q

Effect of steroid hormones in PCOS?

A

o Increased androgens in the ovary disrupt folliculogenesis lead to excess small ovarian follicles (hence the cysts) and irregular/absent ovulation.
o Increased peripheral androgens cause hirsutism (acne/body hair).

83
Q

Effect of insulin resistance in PCOS?

A

Hyperinsulinaemia
o Reduced sex hormone binding globulin (SHBG) in liver so increased free testosterone
o Increased androgen production

84
Q

When do symptoms commonly present in PCOS?

A

• Often present in peripubertal period – mid-20s

85
Q

Symptoms of PCOS?

A

o Asymptomatic
o Oligomenorrhoea (irregular periods, <9 per year) or amenorrhoea (no periods)
o Signs of hyperaldosteronism: acne, hirsutism, alopecia.
o Obesity
o Psychological: mood swings, depression, anxiety
o Sub/infertility
o Recurrent miscarriage

86
Q

Sings of PCOS?

A

o Male-pattern baldness, alopecia
o Obesity (usually central)
o Acanthosis nigricans (areas of increased velvety skin pigmentation which occur in the axillae and other flexures)
o Clitoromegaly, increased muscle mass, deep voice - severe

87
Q

Long term complications of PCOS?

A
  • Obesity, insulin resistance and dyslipidaemia risk factors for IHD.
  • Higher rate of T2DM, GDM
  • Long periods of secondary amenorrhea (unopposed oestrogen) risk factor for endometrial hyperplasia and carcinoma
88
Q

Investigations performed in PCOS?

A
o	Bloods:
	Total testosterone (normal or slightly raised)
	Free testosterone (may be raised if >5nmol/L – exclude androgen-secreting tumours and CAH – 17-hydroxyprogesterone)
	SHBG (normal or low in PCOS)
	LH (elevated) &amp; FSH (normal)
	TFTs
	Prolactin
	Lipids
•	To exclude a prolactinoma
o	Ovarian USS
o	Screen for diabetes
o	BMI
89
Q

What is the criteria for PCOS?

A

Rotterdam criteria for diagnosing PCOS:
- Requires the presence of 2 out of 3 of:
• Polycystic ovaries on US
• 12 or more follicles or ovarian volume >10 on USS
• Oligo-ovulation or anovulation
• Clinical/biochemical features of hyperandrogenism
 Acne, excess body hair, alopecia
 Raised serum testosterone

90
Q

DDx of PCOS?

A
  • Thyroid dysfunction
  • Hyperprolactinaemia
  • Late-onset CAH
  • Androgen secreting tumours
  • Cushing’s syndrome
91
Q

General management of PCOS?

A
o	Weight loss
o	Diet 
o	Exercise
o	Stop smoking
o	Sleep apnoea advice
•	Psychological support
92
Q

If not planning pregnancy, management of PCOS?

A
o	Improving insulin resistance:
	Metformin (not licensed so risks and benefits weighed up)
o	Ensuring withdrawal bleeds every 3-4 months: (reduces endometrial cancer risk)
	COCP cyclical
	IUS
	If not taking pill (norethisterone 5mg TDS PO for 10 days)
o	Hirsutism
	Co-cyprindol 2mg/d
	Waxing, shaving
	Eflornithine facial cream
	Spironolactone
•	Avoid in pregnancy, teratogenic
93
Q

If presenting with subfertility and wanting to conceive, management of PCOS?

A
o	Clomifene citrate
	Induces ovulation
	Use for <6 cycles
	Need US monitoring
o	Metformin added on
o	Laparoscopic Ovarian Drilling
	Needlepoint diathermy in 4 places per ovary to reduce steroid production
	When clomifene not working
94
Q

Complications of PCOS?

A
  • Infertility
  • Endometrial hyperplasia and cancer
  • CVD risk
  • T2DM – screening offered if obese, FHx, >40
  • GDM – screen in pregnancy 24-28 weeks
95
Q

Define post-menopausal bleeding?

A
  • Bleeding occurring >1 year after last period where menopause can be expected
96
Q

What is post-menopausal bleeding considered to be?

A
  • Considered endometrial carcinoma until proven otherwise (10%)
97
Q

Management of post-menopausal bleeding?

A

Referral to gynaecologist within 2 weeks Investigations for endometrial carcinoma
o TVUS (shows endometrial thickening >4mm)
o Biopsy as out-patient (Pipelle method - side-opening cannula with vacuum sucks biopsy) or hysteroscopy with biopsy
o If cancer – need CT/MRI

98
Q

Other causes of post-menopausal bleeding?

A
  • Vaginitis (atrophic commonly)
  • Foreign bodies (pessaries)
  • Carcinoma of cervix or vulva
  • Endometrial/cervical polyps
  • Oestrogen withdrawal (HRT)
99
Q

How is atrophic vaginitis treated?

A

lubricants/moisturisers and HRT or topical oestrogen

100
Q

What is functional/chronic pelvic pain?

A

Intermittent or constant pelvic pain >6 months with no pathological cause

101
Q

Common conditions associated with chronic pelvic pain?

A

IBS and interstitial cystitis

Sexual/Physical abuse

102
Q

Management of chronic pelvic pain?

A

Address psychological/social issues
Trial of OCP, GnRH analogue for 3-6 months, Mirena IUS
Antispasmodics, analgesics, pain clinic
Laparoscopy