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Topic · Microbiology

Reproductive tract infections research

Reproductive tract infections research is a research topic within Microbiology. Science Explorer counts 34k research works in it since 1950. 10.0% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the vaginal microbiome, its association with sexually transmitted infections, including bacterial vaginosis, Chlamydia trachomatis, and Neisseria gonorrhoeae. It also investigates the impact on women's reproductive health, including preterm delivery and HIV transmission.

  • Vaginal Microbiome
  • Sexually Transmitted Infections
  • Bacterial Vaginosis
  • Chlamydia trachomatis
  • Neisseria gonorrhoeae
  • Preterm Delivery
  • HIV Transmission
  • Lactobacillus
  • Metronidazole Therapy
  • Women's Reproductive Health
Research works
34k
fractional, since 1950
In the world top 10%
3.4k
per year above
Top-10% rate
10.0%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+10%
the tick is no change
Largest producer
United States
36% of the 10 largest, 2022-now
Reproductive tract infections research

Which countries lead Reproductive tract infections research research?

By volume, the United States and China publish the most (1.5k and 992 works in 2022-now).

By volume, 2022-now

  1. 1 United States 1.5k works
  2. 2 China 992 works
  3. 3 United Kingdom 314 works
  4. 4 India 311 works
  5. 5 Australia 213 works
  6. 6 Brazil 198 works
  7. 7 Spain 161 works
  8. 8 Italy 156 works
  9. 9 Canada 155 works
  10. 10 Russia 139 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

United States: 35.6%China: 24.2%United Kingdom: 7.7%India: 7.6%6 others listed: 24.9%36%largest
United States1,460 · 35.6%China992 · 24.2%United Kingdom314 · 7.7%India311 · 7.6%6 others listed1,022 · 24.9%

Shares of the rows listed above, not of the whole node.

Which institutions lead Reproductive tract infections research research?

By volume in 2022-now, University of North Carolina at Chapel Hill publishes the most Reproductive tract infections research research, followed by United States Department of Health and Human Services and Johns Hopkins University.

By volume, 2022-now

  1. 1 University of North Carolina at Chapel HillUnited States 65 works
  2. 2 United States Department of Health and Human ServicesUnited States 44 works
  3. 3 Johns Hopkins UniversityUnited States 42 works
  4. 4 Harvard UniversityUnited States 41 works
  5. 5 University of WashingtonUnited States 37 works
  6. 6 University of Alabama at BirminghamUnited States 31 works
  7. 7 Zhejiang UniversityChina 28 works
  8. 8 Chinese Academy of Medical Sciences & Peking Union Medical CollegeChina 26 works
  9. 9 All India Institute of Medical SciencesIndia 24 works
  10. 10 The University of MelbourneAustralia 24 works

Who are the leading researchers in Reproductive tract infections research?

The most-cited researchers publishing on Reproductive tract infections research include Ahmedin Jemal, Freddie Bray and Rob Knight.

  1. 1 Ahmedin Jemal United States 761k citations
  2. 2 Freddie Bray France 550k citations
  3. 3 Rob Knight United States 468k citations
  4. 4 Simon Iain Hay United States 452k citations
  5. 5 George Davey Smith United Kingdom 435k citations
  6. 6 Walter Churchill Willett United States 411k citations
  7. 7 Guido Kroemer France 386k citations
  8. 8 Zulfiqar Ahmed Bhutta Pakistan 371k citations
  9. 9 Hermann Brenner Germany 343k citations
  10. 10 Cyrus Cooper United Kingdom 342k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Reproductive tract infections research?

The most cited paper in Reproductive tract infections research is "DADA2: High-resolution sample inference from Illumina amplicon data" (Benjamin J. Callahan, Paul J. McMurdie, Michael Rosen et al., 2016), with 37,958 citations. Next come "Delivery mode shapes the acquisition and structure of the initial microbiota across multiple body habitats in newborns" (4,819) and "Vaginal microbiome of reproductive-age women" (4,394).

Most cited papers
#PaperReleasedCitations
1 DADA2: High-resolution sample inference from Illumina amplicon data Benjamin J. Callahan, Paul J. McMurdie, Michael Rosen et al. · Nature Methods Open access 23 May 2016 37,958
2 Delivery mode shapes the acquisition and structure of the initial microbiota across multiple body habitats in newborns Maria Gloria Domínguez-Bello, Elizabeth K. Costello, Mónica Contreras et al. · Proceedings of the National Academy of Sciences Open access 21 Jun 2010 4,819
3 Vaginal microbiome of reproductive-age women Jacques Ravel, Pawel Gajer, Zaid Abdo et al. · Proceedings of the National Academy of Sciences Open access 3 Jun 2010 4,394
4 1993 Revised Classification System for HIV Infection and Expanded Surveillance Case Definition for AIDS Among Adolescents and Adults Kenneth G. Castro, Jill Ward, Laurence Slutsker et al. · Clinical Infectious Diseases Oct 1993 4,364
5 Reliability of diagnosing bacterial vaginosis is improved by a standardized method of gram stain interpretation Rachel Nugent, Marijane A. Krohn, Sharon L. Hillier · Journal of Clinical Microbiology Open access Feb 1991 3,402
All 101 most cited papers, with filters and sorting

Where is Reproductive tract infections research research done?

The largest centres of Reproductive tract infections research research in 2022-now are London (United Kingdom), Beijing (China), Guangzhou (China) and Atlanta (United States). Among places with at least 20 works in it, it is an unusually large share of all research in Hengyang, Birmingham and Antwerp.

Largest cities, 2022-now

  1. 1 LondonUnited Kingdom 129 works
  2. 2 BeijingChina 128 works
  3. 3 GuangzhouChina 74 works
  4. 4 AtlantaUnited States 73 works
  5. 5 MelbourneAustralia 66 works
  6. 6 Chapel HillUnited States 63 works
  7. 7 ShanghaiChina 62 works
  8. 8 SeattleUnited States 62 works
  9. 9 BaltimoreUnited States 61 works
  10. 10 MoscowRussia 58 works

Where it is the local speciality

  1. HengyangCN · 22.4 works9.8×
  2. BirminghamUS · 31.6 works8.9×
  3. AntwerpBE · 21.6 works8.1×
  4. DurbanZA · 25.7 works7.1×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Reproductive tract infections research than the world average.

See Reproductive tract infections research on the map

Where is the best place to study Reproductive tract infections research?

Among universities, judged by research, Karolinska Institutet, Harvard University and University of Washington score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%mean 16%fractional works in this field (log) →share of work in the world top 10% →Karolinska InstitutetHarvard UniversityLondon School of Hyg…University of Washin…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Karolinska InstitutetSweden 67.621.7%5.8×18 +23.8%
2Harvard UniversityUnited States 65.317.8%2.3×41 -10.1%
3University of WashingtonUnited States 63.010.8%5.7×37 -20.4%
4London School of Hygiene & Tropical MedicineUnited Kingdom 60.114.2%21.9×20 -21.3%
5University of North Carolina at Chapel HillUnited States 59.94.3%6.4×65 +2.5%
6University of Maryland, BaltimoreUnited States 59.120.0%7.2×14 -3.1%
7Ghent UniversityBelgium 58.919.2%2.5×11 +16.2%
8Peking UniversityChina 58.520.9%1.6×19 +33.2%
9University of South ChinaChina 57.619.1%12.4×19 +35.5%
10University of Alabama at BirminghamUnited States 57.212.0%11.2×31 -14.5%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Reproductive tract infections research, country by country

Is Reproductive tract infections research research growing?

Output in 2022-2025 was 10% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Reproductive tract infections research.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Reproductive tract infections research as a percentage of every work published that year, 0.024% in 2024.

still counting0.020%0.040%0.060%Reproductive tract infections research0.028% in 202519801990200020102020

Fractional works of Reproductive tract infections research over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Reproductive tract infections research10.1% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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