Abnormal Uterine Bleeding Flashcards
Normal menstrual bleeding lasts an average of how long?
5 days (range 2-7 days)
What is the mean blood loss per cycle?
40 ml
What is defined as blood loss during a menstrual cycle greater than 80ml?
menorrhagia
What is known as bleeding between periods?
metrorrhagia
What is bleeding that occurs more often that every 21 days?
Polymenorrhea
What is bleeding that occurs less frequently than every 35 days?
Oligomenorrhea
Abnormal uterine bleeding was previously referred to as what?
Dysfunctional Uterine Bleeding (DUB)
Etiologies of abnormal bleeding are structural in nature and are organized with PALM-COEIN, which is what?
- Polyp
- Adenomyosis
- Leiomyoma
- Malignancy (and hyperplasia)
- Coagulopathy
- Ovulatory dysfunction (most common anovulation)
- Endometrial (commonly hyperplasia)
- Iatrogenic
- Non yet classified
In adolescents, abnormal uterine bleeding (AUB) is usually the result of what?
Anovulation (not yet ovulating)
Once regular menses is established in women, what is the most common cause of abnormal uterine bleeding?
Ovulatory dysfunction (AUB-O)
Women aged 19-39 with the following conditions often result in what?
- pregnancy
- structural lesions
- anovulatory cycles
- use of hormonal contraceptives
- endometrial hyperplasia
AUB
A history of the duration and amount of flow, associated pain, and relationship to the LMP, presence of blood clots or the degree of inconvenience caused by the bleeding serves as useful indicators for the diagnosis of what?
AUB
Recent systemic infections and other significant physical or emotional stressors such as thyroid disease or weight change can be indicators for what?
AUB
A history of use of medications like warfarin, heparin, or exogenous hormones can cause what?
AUB
The physical exam for AUB is used to evaluate for what?
- Excessive weight and or PCOS
- thyroid disease
- insulin resistance
- bleeding disorders
These are all findings that may be associated with what?
- Rule out vulvar, vaginal, and cervical lesions
- pregnancy
- uterine myomas
- adnexal masses
- adenomyosis
- infection
AUB
These are all labs that should be drawn for what?
- CBC
- HCG
- TFT
- Coagulation studies
a. those with heavy bleeding - Gonorrhea and Chlamydia tests
- Pap smear
- Endometrial sampling
AUB
What imaging is warranted for AUB?
- Transvaginal ultrasound
2. Sonohysterography or hysteroscopy
True or False
All patients with abnormal uterine bleeding should be referred to OB-GYN
True
Treatment of premenopausal patients with AUB treatment depends of what?
Etiology
AUB secondary to certain causes such as what may require definitive treatment?
- submucosal myomas
- infection
- early abortions
- thrombophilias
- pelvic neoplasm
Which form of AUB is treated hormonally with progestin to oppose estrogen and normal doses of NSAIDS can reduce the amount of bleeding?
AUB-O
Is postmenopausal bleeding cancer until proven otherwise?
Yes, bleeding of any amount 6 months or more following cessation of menstrual cycle
What are the most common cause of postmenopausal bleeding?
- endometrial atrophy
- endometrial proliferation or hypertrophy
- endometrial or cervical cancer