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3a Women's health > Menstruation > Flashcards

Menstruation Flashcards

1
Q

What is menopause

A

permanent end of menstruation resulting from loss of ovarian follicular activity
* 12 consecutive months of amenorrhea

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2
Q

What is the normal age range for menopause

A

usually occurs between 45-55
average is 51

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3
Q

What is considered early menopause

A

before the age of 40

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4
Q

What causes premature menopause

A

premature ovarian insufficiency

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5
Q

Give 5 menopause symptoms

A
  • vasomotor Sx: hot flushes/ night sweats
  • change in periods: cycle length, dysfunctional bleeding
  • irritability and mood swings
  • Urogenital: vaginal dryness and atrophy, frequency
  • disturbed sleep
  • anxiety and depression
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6
Q

What causes menopause

A

a lack of ovarian follicular function resulting in:
* low oestrogen and progesterone
* high LH and FSH

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7
Q

What is the perimenopause time period

A

starts with the first features of approaching menopause and ends 12m after the last period

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8
Q

How is perimenopause managed with HRT

A
  • Uterus: topical/ oral cyclical combined HRT
  • No uterus: oral/ topical oestrogen only HRT
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9
Q

A lack of oestrogen increases the risk of certain conditions. State 4

A
  • cardiovascular disease
  • osteoporosis
  • pelvic organ prolapse
  • urinary incontinence
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10
Q

When prescribing hormone replacement therapy, what is an important question to ask

A

if she has a uterus/ has had a hysterectomy

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11
Q

How is HRT used to manage menopause in a woman with a uterus

A
  • continuous combined regimen: oestrogen AND progestogen
  • oral / transdermal (estradiol)
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12
Q

When is transdermal HRT offered to woman in menopause

A
  • BMI >30
  • risk of gallstones
  • high triglycerides
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13
Q

How is HRT used to manage menopause in a woman without a uterus

A

transdermal/ oral oestrogen (ONLY) therapy

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14
Q

Why are progestogens added to oestrogens when managing menopause

A

reduce the increased risk of endometrial hyperplasia and carcinoma

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15
Q

Contraindication to HRT

A
  • Current or past breast cancer
  • Any oestrogen-sensitive cancer
  • Undiagnosed vaginal bleeding
  • Untreated endometrial hyperplasia
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16
Q

Apart from HRT, how are menopausal symptoms managed

A
  • Vasomotor symptoms: fluoxetine, citalopram or venlafaxine
  • Vaginal dryness: vaginal lubricant or moisturiser
  • Psychological symptoms: self-help groups, CBT, antidepressants
  • urogenital atrophy: vaginal oestrogen
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17
Q

What kind of HRT does not increase the risk of VTE

A

Transdermal HRT

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18
Q

How long should effective contraception be used for after menoapuse?

A
  • 12 months after the last period for women over 50 years old.
  • 24 months after the last period for women under 50 years old.
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19
Q

What are the two phases of the menstrual cycle?

A

follicular phase and the luteal phase.

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20
Q

What is the follicular phase?

A

The phase from the start of menstruation to the moment of ovulation (approximately the first 14 days in a 28-day cycle)

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21
Q

What is the luteal phase?

A

From the moment of ovulation to the start of menstruation (the final 14 days of the cycle)

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22
Q

What marks the start of the menstrual cycle

A
  • first day of menstruation
  • endometrium is shed
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23
Q

Describe the follicular phase of the menstrual cycle

A
  • pulses of GnRH from the hypothalamus stimulate LH and FSH release which induce follicular growth
  • follicles secrete oestradiol and inhibin which suppress FSH secretion in a ‘negative feedback’
  • only one follicle and oocyte mature (dominant follicle)
  • dominant follicle continues to secrete oestradiol
  • rising oestradiol levels become a +ve feedback signal on hypothalamus and pituitary causing LH levels to rise sharply: ovulation follows 36hrs later
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24
Q

Describe the luteal phase of the menstrual cycle

A
  • after ovulation, the follicle that released the ovum becomes the corpus luteum
  • corpus luteum secretes high levels of progesterone and a small amount of oestrogen
  • towards the end of the phase, the corpus luteum degenerates and stops producing oestrogen and progesterone
  • This fall in oestrogen and progesterone causes the endometrium to break down and menstruation to occur.
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25
Describe the changes to the endometrium during the menstrual cycle
* shedding of the endometrium (menstruation) * proliferative phase - high oestrogen levels stimulate thickening of the endometrium. cervical mucus more permeable * secretory phase - cervical mucus thickens. stromal cells release prostaglandins which encourage the endometrium to break down and the uterus to contract
26
What is abnormal uterine bleeding
any variation from the normal menstrual cycle * changes in regularity and frequency * changes in duration of flow * changes in amount of blood loss
27
Give 4 structural causes of abnormal uterine bleeding
PALM * Polyps * Adenomyosis * Leiomyomas (fibroids) * Malignancy and hyperplasia
28
Give 5 non-structural causes of abnormal uterine bleeding
COEIN * Coagulopathy * Ovulatory dysfunction * Endometrial hyperplasia/ carcinoma * Iatrogenic * Not yet specified
29
What is menorrhagia
heavy menstrual bleeding, that the woman considers to be excessive * prev defined as blood loss >80mL per cycle
30
Give 5 causes of menorrhagia
* dysfunctional uterine bleeding (absence of underlying pathology) * uterine fibroids and polyps * bleeding disorders (e.g. Von Willebrand disease) * pelvic inflammatory disease * copper coil
31
What clinical features of a menorrhagia history would indicate excess blood loss
* flooding * passage of large clots
32
How is menorrhagia investigated
* FBC - may show anaemia * pelvic exam - assess for masses * transvaginal ultrasound - exclude structural causes * coagulation/ thyroid testing if Hx indicates it
33
How is menorrhagia pharmacologically managed in women that do not require contracepetion
* Tranexamic acid * mefenamic acid (if there's associated pain)
34
How is menorrhagia pharmacologically managed in women that require contraception
* intrauterine system - Mirena first line * combined oral contraceptive pill * long-acting progestogens
35
How is menorrhagia managed if medical management has failed
* referral to secondary care * endometrial ablation - removal/ destruction of endometrium - balloon thermal ablation * hysterectomy - last resort
36
What is amenorrhoea
absence of menstruation
37
What is primary amenorrhea
Failure to establish menstruation by: * 13 years with no secondary sexual characteristics * 15 years of age with normal secondary sexual characteristics (such as breast development)
38
Give 5 causes of primary amenorrhoea
* gonadal dysgenesis (e.g. turners syndrome) * Androgen insensitivity syndrome * imperforate hymen/ FGM * congenital adrenal hyperplasia * constitutional delay
39
What is secondary amenorrhea
* cessation of menstruation for 3-6 months in women with previously normal and regular menses or * 6-12 months in women with previous oligomenorrhoea
40
Give 5 causes of secondary amenorrhea
* Pregnancy * hypothalamic amenorrhoea (e.g. secondary stress, excessive exercise) * polycystic ovarian syndrome (PCOS) * hyperprolactinaemia * premature ovarian failure and menopause * thyrotoxicosis * Sheehan's syndrome - severe PPH causing pituitary necrosis) * Asherman's syndrome (intrauterine adhesions)
41
How is amenorrhea investigated
* UPT or serum bHCG - exclude pregnancy * LH and FSH levels * prolactin * FBC, U+Es, TFTs, * gonadotrophins - secondary: low = hypothalamic cause, high = ovarian problem
42
How is primary amenorrhea managed
* treat underlying cause * stress - CBT, healthy weight gain * Ovarian causes - COCP * hypopituitarism - pulsatile GnRH or COCP
43
How is secondary amenorrhea managed
* exclude pregnancy and menopause * treat underlying cause
44
What is dysmenorrhea
excessively painful menstruation
45
What is primary dysmenorrhea
painful periods with no underlying pelvic pathology
46
What are the typical features of primary dysmenorrhea
* pain typically starts just before or within a few hours of the period starting * suprapubic cramping pains which may radiate to the back or down the thigh
47
How is primary dysmenorrhea managed
* 1st line: NSAIDs such as mefenamic acid and ibuprofen - They work by inhibiting prostaglandin production * 2nd line: COCP
48
What is secondary dysmenorrhea
typically develops many years after the menarche and is the result of an underlying pathology
49
When does the pain usually start in women with secondary dysmenorrhea
pain usually starts 3-4 days before the onset of the period
50
Give 4 causes of secondary dysmenorrhea
* fibroids * adenomyosis * endometriosis * pelvic inflammatory disease
51
What should be done for all patients with secondary dysmenorrhea?
referral to gynaecology for investigation.
52
What is premenstrual syndrome (PMS)
describes the emotional and physical symptoms that women may experience in the luteal phase of the normal menstrual cycle
53
Give 4 emotional symptoms of premenstrual syndrome
* anxiety * stress * fatigue * mood swings
54
Give 3 physical symptoms of premenstrual syndrome
* bloating * breast pain * headaches
55
How is premenstrual syndrome managed
* general lifestyle changes, stress, exercise, alcohol restriction, smoking cessation, sleep etc * regular, frequent (2-3 hourly), small, balanced meals rich in complex carbs * New generation COCP ( drospirenone) * SSRi - continuously or just during the luteal phase
56
What is premature ovarian insufficiency
defined as menopause before the age of 40 years characterised by hypergonadotropic hypogonadism
57
Give 5 causes of premature ovarian sufficiency
* idiopathic - mc * iatrogenic - radio/ chemotherapy * autoimmune - T1DM, thyroid etc * infections - e.g. mumps * bilateral oophorectomy
58
How does premature ovarian sufficiency present
* secondary amenorrhea * hot flushes * night sweats * infertility * vaginal dryness
59
How is premature ovarian sufficiency diagnosed
* younger than 40 years with typical menopausal symptoms and an elevated FSH (>25 IU/L) * elevated FSH levels should be demonstrated on 2 consecutive blood samples taken 4-6 weeks apart * low oestradiol
60
What conditions are women with premature ovarian failure at higher risk for due to the lack of oestrogen?
* Cardiovascular disease * Stroke * Osteoporosis * Cognitive impairment * Dementia * Parkinsonism
61
How is premature ovarian sufficiency managed
* Traditional HRT or COCP until 51 * should be noted that HRT does not provide contraception

3a Women's health (12 decks)

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