Dysfunctional Uterine Bleeding Lecture Powerpoint Flashcards
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90% of dysfunctional uterine bleeding is caused by…
…anovulation
Menorrhagia
Heavy menstrual flow
Oligomenorrhea
Menstruation with intervals than 35 days
Polymenorrhea
Menstruation with intervals lessthan 21 days
Menometrorrhagia
Menstrual bleeding occuring at abnormal intervals and with excessive flow and duration
Withdrawal bleeding
Normal bleeding seen often after stopping hormonal therapy
Von willebrand factors
Hemotologic factors that can cause abnormal uterine bleeding due to an inability to produce a key clotting protein
3 most common disorders causing dysfunctional uterine bleeding in reproductive age women
1) pregnancy
2) iatrogenic (drug induced)
3) systemic disorders
Imaging for dysfunctional uterine bleeding
Hysteroscopy with endometrial biopsy
Common treatments for ovulatory bleeding (menorrhagia)
NSAIDS and contraceptive pills
Primary amenorrhea
Failure to reach menarche by age 15 or within 5 years after breast development occuring before age 10
Secondary amenorrhea
Cessation of previously regular menses for 3 months or longer, or cessation of irregular menses for 6 months or longer, or fewer than 9 menstrual cycles per year
The most common cause of 2ndary amenorrhea
pregnancy
Areas of potential etiology of amenorrhea
- hypothalamic pituitary ovarian axis
- funcitonal uterus
- vaginal opening
Kallman syndrome
Due to congenital GnRH deficiency resulting in impaired sense of smell, cryptorchidism, micropenis, cleft palate, ec.
Number 1 cause of hypothalamic disorder
Systemic stressors such as weight loss, exercise, or severe emotional distress
Pure ogonadal dysgenesis
A lack of development of ovaries despite being genetically 46 xx
Empty sella syndrome
Occurs when CSF leaks into sella turcica putting pressure on pituitary gland and squishing it like a pancake
Sheehan syndrome
Post partum pituitary gland necrosis of the mother seeing a loss of all pituitary hormones
Androgen insensitivity syndrome presentation
Primary amenorrhea in a patient with ambiguous genitalia, genetically male but resistant to androgens
Asherman syndrome
Inflammation to the uterus causing scarring resulting in 2ndary amenorrhea
