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Topic · Endocrinology, Diabetes and Metabolism

Hormonal and reproductive studies

Hormonal and reproductive studies is a research topic within Endocrinology, Diabetes and Metabolism. Science Explorer counts 48k 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 long-term effects of testosterone levels and therapy on various aspects of men's health, including aging, metabolic syndrome, cardiovascular risk, and muscle strength. It also investigates the association between testosterone levels and conditions such as diabetes, androgen deficiency, and the use of anabolic steroids.

  • Testosterone
  • Hormone Therapy
  • Aging Men
  • Metabolic Syndrome
  • Cardiovascular Risk
  • Androgen Deficiency
  • Muscle Strength
  • Diabetes
  • Elderly Men
  • Anabolic Steroids
Research works
48k
fractional, since 1950
In the world top 10%
4.8k
per year above
Top-10% rate
10.0%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+3%
the tick is no change
Largest producer
United States
35% of the 10 largest, 2022-now
Hormonal and reproductive studies

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

Which countries lead Hormonal and reproductive studies research?

By volume, the United States and China publish the most (1.2k and 615 works in 2022-now).

By volume, 2022-now

  1. 1 United States 1.2k works
  2. 2 China 615 works
  3. 3 India 287 works
  4. 4 Italy 279 works
  5. 5 Brazil 243 works
  6. 6 United Kingdom 241 works
  7. 7 Germany 204 works
  8. 8 Türkiye 162 works
  9. 9 Japan 154 works
  10. 10 Australia 142 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: 34.7%China: 17.3%India: 8.1%Italy: 7.8%6 others listed: 32.2%35%largest
United States1,236 · 34.7%China615 · 17.3%India287 · 8.1%Italy279 · 7.8%6 others listed1,146 · 32.2%

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

Which institutions lead Hormonal and reproductive studies research?

By volume in 2022-now, Harvard University publishes the most Hormonal and reproductive studies research, followed by Baylor College of Medicine and University of Miami.

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 41 works
  2. 2 Baylor College of MedicineUnited States 31 works
  3. 3 University of MiamiUnited States 27 works
  4. 4 University of California, Los AngelesUnited States 26 works
  5. 5 Mayo ClinicUnited States 24 works
  6. 6 University of CopenhagenDenmark 24 works
  7. 7 Johns Hopkins UniversityUnited States 24 works
  8. 8 University of FlorenceItaly 22 works
  9. 9 Universidade de São PauloBrazil 21 works
  10. 10 Memorial Sloan Kettering Cancer CenterUnited States 21 works

Who are the leading researchers in Hormonal and reproductive studies?

The most-cited researchers publishing on Hormonal and reproductive studies include David Moher, George Davey Smith and Walter Churchill Willett.

  1. 1 David Moher Canada 898k citations
  2. 2 George Davey Smith United Kingdom 435k citations
  3. 3 Walter Churchill Willett United States 411k citations
  4. 4 Mark J. Daly United States 403k citations
  5. 5 Cyrus Cooper United Kingdom 342k citations
  6. 6 Emelia J. Benjamin United States 341k citations
  7. 7 Giuseppe Remuzzi Italy 328k citations
  8. 8 Graeme J. Hankey Australia 316k citations
  9. 9 Gregory Y.H. Lip United Kingdom 311k citations
  10. 10 Dan J. Stein South Africa 306k 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 Hormonal and reproductive studies?

The most cited paper in Hormonal and reproductive studies is "The international index of erectile function (IIEF): a multidimensional scale for assessment of erectile dysfunction" (Raymond C. Rosen, Alan J. Riley, Gorm Wagner et al., 1997), with 5,912 citations. Next come "Sexual Dysfunction in the United States" (5,146) and "Efficacy and Safety of Tadalafil Monotherapy for Lower Urinary Tract Symptoms Secondary to Benign Prostatic Hyperplasia: A Meta-Analysis" (4,545).

Most cited papers
#PaperReleasedCitations
1 The international index of erectile function (IIEF): a multidimensional scale for assessment of erectile dysfunction Raymond C. Rosen, Alan J. Riley, Gorm Wagner et al. · Urology Jun 1997 5,912
2 Sexual Dysfunction in the United States Edward O. Laumann, Anthony Paik, Raymond C. Rosen · JAMA 10 Feb 1999 5,146
3 Efficacy and Safety of Tadalafil Monotherapy for Lower Urinary Tract Symptoms Secondary to Benign Prostatic Hyperplasia: A Meta-Analysis Yang Dong, Lin Hao, Zhenduo Shi et al. · Urologia Internationalis Review 2013 4,545
4 Screening and Prostate-Cancer Mortality in a Randomized European Study Fritz H. Schröder et al. · New England Journal of Medicine Open access 18 Mar 2009 4,042
5 A Critical Evaluation of Simple Methods for the Estimation of Free Testosterone in Serum Alex T. Vermeulen, L. Verdonck, Jean‐Marc Kaufman · The Journal of Clinical Endocrinology & Metabolism Oct 1999 3,751
All 100 most cited papers, with filters and sorting

Where is Hormonal and reproductive studies research done?

The largest centres of Hormonal and reproductive studies research in 2022-now are Beijing (China), London (United Kingdom), São Paulo (Brazil) and New York (United States). Among places with at least 20 works in it, it is an unusually large share of all research in Coral Gables and Florence.

Largest cities, 2022-now

  1. 1 BeijingChina 98 works
  2. 2 LondonUnited Kingdom 84 works
  3. 3 São PauloBrazil 64 works
  4. 4 New YorkUnited States 59 works
  5. 5 RomeItaly 55 works
  6. 6 MoscowRussia 52 works
  7. 7 ShanghaiChina 47 works
  8. 8 IstanbulTürkiye 46 works
  9. 9 HoustonUnited States 44 works
  10. 10 BostonUnited States 43 works

Where it is the local speciality

  1. Coral GablesUS · 22.0 works8.3×
  2. FlorenceIT · 22.6 works5.0×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Hormonal and reproductive studies than the world average.

See Hormonal and reproductive studies on the map

Where is the best place to study Hormonal and reproductive studies?

Among universities, judged by research, Harvard University, University of Copenhagen and University of Oslo 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%20%40%mean 21.55%fractional works in this field (log) →share of work in the world top 10% →University of OsloUniversity of Copenh…Harvard UniversityUniversity of Califo…
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
1Harvard UniversityUnited States 73.117.9%2.6×41 -20.8%
2University of CopenhagenDenmark 71.922.1%5.2×24 +34.1%
3University of OsloNorway 69.126.0%4.9×15 +45.4%
4University of California, Los AngelesUnited States 64.611.5%4.7×26 +35.8%
5Imperial College LondonUnited Kingdom 64.615.2%4.1×20 +99.6%
6Karolinska InstitutetSweden 63.826.4%5.8×16 -15.2%
7University of FlorenceItaly 62.218.9%7.5×22 -10.2%
8University of GothenburgSweden 61.322.8%4.2×10 +32.7%
9Sichuan UniversityChina 60.923.0%1.8×20 +84.3%
10Sapienza University of RomeItaly 60.631.7%3.0×17 -8.7%

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 Hormonal and reproductive studies, country by country

Is Hormonal and reproductive studies research growing?

Output in 2022-2025 was 3% higher than in 2018-2021, peaking in 2024. The fastest-growing topics are Hormonal and reproductive studies.

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 Hormonal and reproductive studies as a percentage of every work published that year, 0.025% in 2024.

still counting0.050%0.10%0.15%Hormonal and reproductive studies0.023% in 202519801990200020102020

Fractional works of Hormonal and reproductive studies 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%Hormonal and reproductive studies10.4% 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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