Menstrual and Uterine disorders Flashcards
(130 cards)
what 3 processes do we need to have normal menses?
- intact HPO axis
- endometrium responsive to hormal stimulation
- intact outflow tract from internal to external genitalia
what is Primary Amenorrhea
Absence of menses…
- By age 13 (if sexual development also impaired)
- By age 15 (if normal sexual development)
MCC of primary amenorrhea? other causes?
genetic or anatomic abnormality
- 50% - abnml chromosomes → gonadal dysgenesis - ovarian insufficiency due to premature depletion of oocytes
- 20% - Hypothalamic hypogonadism
- Other:
- GU - absent genitalia; transverse vaginal septum; imperforate hymen
- Endo - pituitary disease; androgen insensitivity
definition of Secondary Amenorrhea
Absence of menses for >3 cycles or 6 consecutive months in a previously menstruating pt
MCC of secondary amenorrhea?
other causes?
- pregnancy
- Other common causes - galactorrhea, PCOS, hypothalamic or pituitary disease, adrenal hyperplasia
- Less common - premature ovarian failure, drug-induced
- Rare - Other endocrine disease (DM, thyroid, adrenal), cirrhosis, renal failure, malnutrition
3 main categories of causes of amenorrhea?
- Hypothalamic-Pituitary Dysfunction
- Ovarian causes
- Anatomic Causes
what can cause Hypothalamic-Pituitary Dysfunction that ultimately causes amenorrhea?
- GnRH deficiency
- Pituitary dysfunction
- Hyperprolactinemia
- Sheehan’s syndrome - postpartum
pituitary necrosis due to hypovolemia - Surgical destruction
- Infiltrative diseases
ovarian causes that causes amenorrhea
- Gonadal dysgenesis
- Ovarian failure
- Abnormal steroid enzymes - Unable to produce hormones
- Ovarian resistance - Follicles do not respond to gonadotropins
- Polycystic Ovarian Syndrome (PCOS)
3 types of ovarian failure?
- Primary - directly due to ovaries
- Secondary - due to hypothalamic or pituitary disease
- Premature - onset of menopause in women <40 y/o
anatomic causes that causes amenorrhea?
- Mullerian Dysgenesis - congenital absence of uterus and upper ⅔ of vagina; May ovulate and have normal secondary sex characteristics
- Vaginal agenesis
- Transverse vaginal septum
- Imperforate hymen
- Asherman’s syndrome - uterine synechiae (adhesions); Often due to dilation and curettage
w/u for primary amenorrhea if (+) 2o sex characteristics
- Evaluate anatomy → PE, US; check karyotype
- Pregnancy test
Ovaries are producing estrogen
w/u for primary amenorrhea if (-) 2o sex characteristics
- Evaluate anatomy
- Check prolactin and TSH
- Check LH and FSH
- Low → hypothalamic/pituitary disease, stress, low weight/malnutrition = MRI
- High → ovarian failure = Check karyotype
Ovaries aren’t producing estrogen
w/u for secondary amenorrhea
- Physical exam +/- imaging
- Pregnancy test
- TSH and Prolactin
- If abnormal TSH → thyroid disease
- If abnormal prolactin → pituitary imaging - Progesterone Challenge Test
- If bleeding occurs, endometrium is intact but progesterone is lacking
- Anovulation - no production of progesterone by corpus luteum - Estrogen + Progesterone Challenge Test
- No bleed → unresponsive endometrium or blockage of outflow
- If bleeding occurs, suspect hypogonadism - FSH and LH
- If high → primary/premature ovarian failure
- If low → secondary ovarian failure
complications of amenorrhea
- Infertility
- Lack of normal physical sexual development
- Osteoporosis and fractures
- Endometrial hyperplasia and carcinoma
tx for amenorrhea
- Correction of underlying disease
- If desiring pregnancy - ovulation induction
- Letrozole (Femara), clomiphene (Clomid)
- Less common - dopamine agonist, gonadotropins - If not desiring pregnancy - estrogen/ progesterone
- Maintain bone density, reduce genital atrophy or other menopausal s/s
- Many women do well on COC
Painful menstruation that inhibits normal activity and requires medication
Dysmenorrhea
3 types of Dysmenorrhea
- Primary - no organic, demonstrable cause
- Secondary - presence of another disorder that could cause s/s (endometriosis, adenomyosis, PID, cervical stenosis, fibroids, endometrial polyps)
- Membranous - due to passage of a cast of the endometrium through an undilated cervix (rare)
Dysmenorrhea is associated with _____ activity during ovulatory cycle
Abnormal uterine contractions → dec blood flow to uterus → uterine hypoxia
Leukotrienes also contribute
Psych factors may also be involved
prostaglandin
clinical findings of Dysmenorrhea
Pain - hallmark characteristic
- intermittent intense cramps or dull, continuous ache
- at menses or up to 1-2 d prior; Subsides 12-72 hrs after menses begins
- MC recurs
- lower abdomen and suprapubic region; lower back and/or thighs possible
- Impact on ADLs
- N/V/D, malaise, and/or HA
- No significant pelvic disease on PE - pelvic tenderness possible
tx of dysmenorrhea
- NSAIDs; acetaminophen, consider short-term codeine/opioid if severe
- Continuous heat to abdomen - as effective as ibuprofen, more than acetaminophen
- Hormonal Contraceptives - if no relief from NSAIDs
- Other - Exercise, TENS unit, Ca, Mg
- refractory - surgery
what is Psychoneuroendocrine disorder
- Restricted to luteal phase of menstrual cycle
- Biologic, psychological, and social parameters
- Poorly understood; not associated with pathologic hormone levels - Serotonergic dysfunction and decreased GABA levels found
PMs and PMDD MC at what age?
late 20s to early 30s
Up to 75% of women experience
Non-Pharmacologic tx for for mild-moderate PMS/PMDD
- Change in eating habits
- Avoid or limit - caffeine, alc, tobacco, chocolate, sodium
- small freq meals high in complex carbs - Aerobic exercise, stress management and/or CBT
- Chasteberry, Calcium carbonate (bloating, food cravings, pain), Mg (water retention), Vitamin B6 and vitamin E
medications for mild-moderate PMS/PMDD
- NSAIDs - headache, breast or abdominopelvic pain
- Spironolactone - cyclic edema
- Bromocriptine (dopamine agonist) - breast pain