Diagnosis criteria
The diagnosis of BV is based on the Nugent score. Under the microscope
(1000×), a quantitative score was made according to the number of the
large Gram-staining positive bacilli, small Gram-staining variable
bacilli, and Gram-stained variable curved bacilli, and the 7-10 score
was divided into BV. Take the average of 10 high magnification fields
under the microscope to score. The diagnostic criteria of AV referred to
Donder’s score(9). A quantitative score was made according to the
proportion of lactobacilli, the number of white blood cells, the number
of toxic white blood cells, the type of background bacteria, and the
number of parabasal epithelial cells under the wet film microscope. The
score ≥3 was divided into AV. The diagnosis of VVC is based on the
hyphae and spore seen on the wet film and gram staining smear under
microscope. TV diagnosis relies on normal saline wet film to see activeTrichomonas vaginalis .
All pregnant women are aware of the vaginal discharge examination
results and treated with AV, BV, TV, and VVC in accordance with the
latest international guidelines and provided with health guidance and
follow-up visits before delivery after treatment(1, 10).