Bacterial vaginosis Flashcards
1
Q
Prevalence of bacterial vaginosis
A
12% in the UK
2
Q
What organism causes infection?
A
Gardenella Vaginitis - creates a bio film which allows other opportunistic bacteria to survive
3
Q
Which criteria is used for the diagnosis of Bacterial vaginosis?
A
Amstel’s criteria
4
Q
Describe the discharge?
A
Thin, white, homogenous
5
Q
What is the Amstel’s criteria? (4)
A
- Discharge
- PH > 4.5
- Positive whiff test - fishy odour
- Clue cells
6
Q
What is seen under a microscope?
A
- Clue cells- vaginal epithelial cells are so heavily coated with bacteria that borders are obstructed
- Gram + and Gram - rods and cones only
- Absent large Gram + lactobacilli
7
Q
Which bacteria are missing in the smear?
A
Lactobacilli
8
Q
Name 3 obstetric complications of bacterial vaginosis
A
- Increases risk of 2nd trimester miscarriage
- Increases risk of premature delivery
- Increases risk of cerebral palsy
9
Q
Ix
A
Vaginal smear
10
Q
Mx
A
Metronidazole 400 mg for 5 days
11
Q
Risk factors
A
- IUD
- Black // Lesbian
- Sexually active - even if not an STI
