# Old but gold: an historical perspective of wet mount microscopy and its current role for the diagnosis of vaginitis

**Authors:** Lorenzo Agoni

PMC · DOI: 10.3389/frph.2026.1755906 · Frontiers in Reproductive Health · 2026-02-05

## TL;DR

The paper reviews the historical role of wet mount microscopy in diagnosing vaginitis and argues for its continued use in modern gynecological exams.

## Contribution

The paper highlights the historical significance and current diagnostic value of wet mount microscopy in gynecology.

## Key findings

- Wet mount microscopy was historically crucial for diagnosing vaginitis and sexually transmitted infections.
- Modern techniques like culturing and molecular biology have reduced microscopy's use but not eliminated its value.
- The paper advocates for retaining microscopy as a point-of-care diagnostic tool in gynecology.

## Abstract

Since the invention of the microscope, physicians and gynecologists have utilized wet mount microscopy of vaginal fluids. A significant milestone was the discovery of Trichomonas vaginalis by Alfred François Donné in 1836. As the century progressed, research by Albert Döderlein shifted focus to the presence of lactobacilli. In the early 1920s, Christine Marie Berkhout provided a detailed description of the fungus Candida. For many years, understanding the microbiology of vaginal fluids in health and disease played a crucial role in diagnosing vaginitis and sexually transmitted infections. The development of culturing techniques on Petri dishes and later molecular biology methods, which became widespread and commercially accessible, offered more accurate diagnostic options, leading to the gradual decline of office microscopy. In this perspective article, we explore the advantages of maintaining office microscopy as a crucial component of gynecological examinations at point of care, especially for diagnosing vaginitis.

## Linked entities

- **Diseases:** vaginitis (MONDO:0002234), sexually transmitted infections (MONDO:0021681)
- **Species:** Trichomonas vaginalis (taxon 5722), Candida (taxon 5475)

## Full-text entities

- **Diseases:** PID (MESH:D000292), desquamation (MESH:D017490), fetal loss (MESH:D005315), bleeding (MESH:D006470), itching (MESH:D011537), dysuria (MESH:D053159), cervical erythema (MESH:D002575), fever (MESH:D005334), pain (MESH:D010146), Bacterial Vaginosis (MESH:D016585), cervical cancer (MESH:D002583), female infertility (MESH:D007247), inflammation (MESH:D007249), Syphilis (MESH:D013587), intrauterine (MESH:D005317), atrophy (MESH:D001284), irritation (MESH:D001523), vulvar lesion (MESH:D014845), STI (MESH:D012749), urethritis (MESH:D014526), cancer (MESH:D009369), Sjogren syndrome (MESH:D012859), candidiasis (MESH:D002177), Aerobic vaginitis (MESH:D014627), allergic (MESH:D004342), dryness (MESH:D014987), oral thrush (MESH:D002180), chlamydia (MESH:D002690), erythema (MESH:D004890), death (MESH:D003643), Trichomoniasis (MESH:D014245), protozoal infections (MESH:D020808), Neisseria gonorrheae (MESH:D006069), vulvovaginal atrophy (MESH:D014848), Vulvovaginal candidiasis (MESH:D002181), ulcers (MESH:D014456), preterm delivery (MESH:D047928), dyspareunia (MESH:D004414), infection (MESH:D007239)
- **Chemicals:** clotrimazole (MESH:D003022), clindamycin (MESH:D002981), progesterone (MESH:D011374), gold (MESH:D006046), saline (MESH:D012965), azoles (MESH:D001393), metronidazole (MESH:D008795), hydrocortisone (MESH:D006854), 5-nitroimidazoles (MESH:C052587), KOH (MESH:C029943), alcohol (MESH:D000438), Gram (-), bicarbonate (MESH:D001639)
- **Species:** Gardnerella vaginalis (species) [taxon 2702], Mycoplasma (genus) [taxon 2093], Enterococcus faecalis (species) [taxon 1351], Chlamydia trachomatis (species) [taxon 813], Klebsiella (genus) [taxon 570], Human immunodeficiency virus 1 (no rank) [taxon 11676], Escherichia coli (E. coli, species) [taxon 562], Pichia kudriavzevii (species) [taxon 4909], Candida albicans (species) [taxon 5476], Human papillomavirus (species) [taxon 10566], Trichomonas vaginalis (species) [taxon 5722], Saccharomyces cerevisiae (baker's yeast, species) [taxon 4932], Lactobacillus (genus) [taxon 1578], Nakaseomyces glabratus (species) [taxon 5478], Ureaplasma (genus) [taxon 2129], Neisseria gonorrhoeae (species) [taxon 485], Streptococcus agalactiae (species) [taxon 1311], Treponema pallidum (species) [taxon 160], Lodderomyces parapsilosis (species) [taxon 5480], Spirochaetia (class) [taxon 203692], Candida [taxon 1535326], Homo sapiens (human, species) [taxon 9606], Fannyhessea vaginae (species) [taxon 82135], Sneathia (genus) [taxon 168808], Staphylococcus (genus) [taxon 1279], Mobiluncus (genus) [taxon 2050], Bacteria Latreille et al. 1825 (Bacteria stick insect, genus) [taxon 629395]

## Full text

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## Figures

2 figures with captions in the complete paper: https://tomesphere.com/paper/PMC12916579/full.md

## References

133 references — full list in the complete paper: https://tomesphere.com/paper/PMC12916579/full.md

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Source: https://tomesphere.com/paper/PMC12916579