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Topic · Public Health, Environmental and Occupational Health

Ectopic Pregnancy Diagnosis and Management

Ectopic Pregnancy Diagnosis and Management is a research topic within Public Health, Environmental and Occupational Health. Science Explorer counts 21k research works in it since 1950. 10.3% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the diagnosis and management of ectopic pregnancies, including those implanted in the cesarean scar, tubal ectopic pregnancies, and other unusual locations. It covers topics such as ultrasound diagnosis, medical treatment with methotrexate, risk factors, reproductive outcomes, and the implications of early pregnancy events.

  • Ectopic Pregnancy
  • Cesarean Scar Pregnancy
  • Tubal Ectopic Pregnancy
  • Ultrasound Diagnosis
  • Medical Management
  • Risk Factors
  • Early Pregnancy
  • Methotrexate Treatment
  • Reproductive Outcome
  • Uterine Scar Implantation
Research works
21k
fractional, since 1950
In the world top 10%
2.2k
per year above
Top-10% rate
10.3%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
-1%
the tick is no change
Largest producer
United States
26% of the 10 largest, 2022-now
Ectopic Pregnancy Diagnosis and Management

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

Which countries lead Ectopic Pregnancy Diagnosis and Management research?

By volume, the United States and China publish the most (572 and 562 works in 2022-now).

By volume, 2022-now

  1. 1 United States 572 works
  2. 2 China 562 works
  3. 3 India 386 works
  4. 4 United Kingdom 157 works
  5. 5 Türkiye 121 works
  6. 6 Japan 103 works
  7. 7 Italy 98 works
  8. 8 Egypt 83 works
  9. 9 Pakistan 79 works
  10. 10 Iran 79 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: 25.5%China: 25.1%India: 17.3%United Kingdom: 7.0%6 others listed: 25.1%26%largest
United States572 · 25.5%China562 · 25.1%India386 · 17.3%United Kingdom157 · 7.0%6 others listed563 · 25.1%

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

Which institutions lead Ectopic Pregnancy Diagnosis and Management research?

By volume in 2022-now, Harvard University publishes the most Ectopic Pregnancy Diagnosis and Management research, followed by Tel Aviv University and Zhejiang University.

By volume, 2022-now

  1. 1 Harvard UniversityUnited States 30 works
  2. 2 Tel Aviv UniversityIsrael 24 works
  3. 3 Zhejiang UniversityChina 22 works
  4. 4 Sichuan UniversityChina 22 works
  5. 5 All India Institute of Medical SciencesIndia 20 works
  6. 6 Shanghai Jiao Tong UniversityChina 19 works
  7. 7 Banaras Hindu UniversityIndia 19 works
  8. 8 Peking UniversityChina 18 works
  9. 9 Sun Yat-sen UniversityChina 17 works
  10. 10 University of TorontoCanada 16 works

Who are the leading researchers in Ectopic Pregnancy Diagnosis and Management?

The most-cited researchers publishing on Ectopic Pregnancy Diagnosis and Management include Patrick M. Bossuyt and Carlo La Vecchia.

  1. 1 Patrick M. Bossuyt Netherlands 270k citations
  2. 2 Carlo La Vecchia Italy 258k 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 Ectopic Pregnancy Diagnosis and Management?

The most cited paper in Ectopic Pregnancy Diagnosis and Management is "Incidence of Early Loss of Pregnancy" (Allen James Wilcox, Clarice Ring Weinberg, John F. O’Connor et al., 1988), with 2,366 citations. Next come "Declines in Unintended Pregnancy in the United States, 2008–2011" (2,002) and "Maternal age and fetal loss: population based register linkage study" (1,706).

Most cited papers
#PaperReleasedCitations
1 Incidence of Early Loss of Pregnancy Allen James Wilcox, Clarice Ring Weinberg, John F. O’Connor et al. · New England Journal of Medicine 28 Jul 1988 2,366
2 Declines in Unintended Pregnancy in the United States, 2008–2011 Lawrence B. Finer, Mia R. Zolna · New England Journal of Medicine Open access 3 Mar 2016 2,002
3 Maternal age and fetal loss: population based register linkage study Anne‐Marie Nybo Andersen · BMJ Open access 24 Jun 2000 1,706
4 The “Great Obstetrical Syndromes” are associated with disorders of deep placentation Ivo A Brosens, Robert Pijnenborg, Lisbeth Vercruysse et al. · American Journal of Obstetrics and Gynecology Open access 21 Nov 2010 1,618
5 Miscarriage matters: the epidemiological, physical, psychological, and economic costs of early pregnancy loss Siobhan M. Quenby et al. · The Lancet Open access 27 Apr 2021 1,566
All 100 most cited papers, with filters and sorting

Where is Ectopic Pregnancy Diagnosis and Management research done?

The largest centres of Ectopic Pregnancy Diagnosis and Management research in 2022-now are London (United Kingdom), Beijing (China), Hangzhou (China) and Shanghai (China).

Largest cities, 2022-now

  1. 1 LondonUnited Kingdom 65 works
  2. 2 BeijingChina 52 works
  3. 3 HangzhouChina 41 works
  4. 4 ShanghaiChina 39 works
  5. 5 GuangzhouChina 37 works
  6. 6 IstanbulTürkiye 36 works
  7. 7 New YorkUnited States 35 works
  8. 8 ChengduChina 34 works
  9. 9 TehranIran 29 works
  10. 10 BostonUnited States 29 works
See Ectopic Pregnancy Diagnosis and Management on the map

Where is the best place to study Ectopic Pregnancy Diagnosis and Management?

Among universities, judged by research, Harvard University, University College London and Zhengzhou University 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 19.62%fractional works in this field (log) →share of work in the world top 10% →University College L…Zhengzhou UniversityHarvard UniversityTel Aviv University
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 74.215.2%3.0×30 +19.6%
2University College LondonUnited Kingdom 66.032.6%2.5×12 +6.8%
3Zhengzhou UniversityChina 61.831.9%3.8×14 +39.5%
4Tel Aviv UniversityIsrael 60.213.1%9.7×24 -29.2%
5University of TorontoCanada 53.321.0%2.5×16 -41.6%
6Sichuan UniversityChina 52.511.4%3.1×22 +37.5%
7Zhejiang UniversityChina 52.414.9%2.7×22 +0.8%
8University College CorkIreland 51.317.1%10.0×9 +163.4%
9Albert Einstein College of MedicineUnited States 50.611.1%13.0×14 +30.4%
10Huazhong University of Science and TechnologyChina 50.327.9%2.0×11 +151.2%

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 Ectopic Pregnancy Diagnosis and Management, country by country

Is Ectopic Pregnancy Diagnosis and Management research growing?

Output in 2022-2025 was 1% lower than in 2018-2021, peaking in 2021.

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 Ectopic Pregnancy Diagnosis and Management as a percentage of every work published that year, 0.014% in 2024.

still counting0.010%0.020%0.030%Ectopic Pregnancy Diagnosis and Management0.013% in 202519801990200020102020

Fractional works of Ectopic Pregnancy Diagnosis and Management 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%Ectopic Pregnancy Diagnosis and Management10.9% 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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