World's Best Scientists 2026 revealed!
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Best Scientists
2026
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Medicine
USA
2023

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Medicine 197 204 186 137 124 1731 169432
Best Scientists 197 327 298 212 189 1743 163002

Roberto Romero publications per year

The chart shows the history of publications by Roberto Romero between 1980 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Roberto Romero published across 46 years, from 1980 to 2025, averaging 40.8 papers a year. Output peaked at 120 publications in 2009. 31 of the 1,876 publications appeared in the last two years.

No. of publications
25 50 75 100
Bar chart. Horizontal axis: year, 1980 to 2025. Vertical axis: number of publications, 0 to 120. Peak 120 publications in 2009. 1980: 1 publication 1981: 7 publications 1982: 7 publications 1983: 7 publications 1984: 19 publications 1985: 17 publications 1986: 18 publications 1987: 14 publications 1988: 31 publications 1989: 23 publications 1990: 18 publications 1991: 18 publications 1992: 20 publications 1993: 22 publications 1994: 20 publications 1995: 27 publications 1996: 14 publications 1997: 33 publications 1998: 20 publications 1999: 11 publications 2000: 20 publications 2001: 32 publications 2002: 35 publications 2003: 47 publications 2004: 51 publications 2005: 73 publications 2006: 97 publications 2007: 91 publications 2008: 98 publications 2009: 120 publications 2010: 88 publications 2011: 63 publications 2012: 54 publications 2013: 65 publications 2014: 53 publications 2015: 64 publications 2016: 54 publications 2017: 57 publications 2018: 52 publications 2019: 62 publications 2020: 61 publications 2021: 59 publications 2022: 59 publications 2023: 43 publications 2024: 19 publications 2025: 12 publications
1980 2025

1,876 publications in total across all disciplines

View publications per year as a table
Roberto Romero: publications per year, 1980 to 2025
Year Publications
1980 1
1981 7
1982 7
1983 7
1984 19
1985 17
1986 18
1987 14
1988 31
1989 23
1990 18
1991 18
1992 20
1993 22
1994 20
1995 27
1996 14
1997 33
1998 20
1999 11
2000 20
2001 32
2002 35
2003 47
2004 51
2005 73
2006 97
2007 91
2008 98
2009 120
2010 88
2011 63
2012 54
2013 65
2014 53
2015 64
2016 54
2017 57
2018 52
2019 62
2020 61
2021 59
2022 59
2023 43
2024 19
2025 12
Total 1,876
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Roberto Romero publications per year - data summary

  • Roberto Romero, a Medicine scholar from National Institutes of Health, has 1,876 publications recorded across 46 years, from 1980 to 2025.
  • The oldest publication on record dates to 1980 and the most recent to 2025.
  • The most productive year is 2009, with 120 publications.
  • The least productive year with any output is 1980, with 1 publication.
  • The rate of publication averages 40.8 papers per year over the whole span, or 40.8 per year counting only the 46 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 192 publications, 10% of the career total.
  • Split into equal eras - 1980-1995: 269 publications (16.8 per year); 1996-2011: 893 publications (55.8 per year); 2012-2025: 714 publications (51.0 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Roberto Romero publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Roberto Romero sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 86 bars. Horizontal axis: publications, 101–120 to 1,796+. Vertical axis: number of scientists, 0 to 922. Most scientists, 922, have 341–360 publications. The last bar groups every scientist with 1,796 publications or more. The highlighted bar, 1,721–1,740 publications, is where this scientist sits. 101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101–120 publications 1,796+

This scientist: 1,731 publications — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

View publications distribution as a table
Number of Medicine scientists by publication count, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
Publications Scientists This scientist
101–120 5
121–140 26
141–160 73
161–180 155
181–200 230
201–220 363
221–240 487
241–260 545
261–280 722
281–300 768
301–320 834
321–340 895
341–360 922
361–380 838
381–400 861
401–420 918
421–440 806
441–460 771
461–480 751
481–500 713
501–520 617
521–540 610
541–560 537
561–580 504
581–600 509
601–620 396
621–640 386
641–660 371
661–680 340
681–700 336
701–720 307
721–740 259
741–760 230
761–780 228
781–800 217
801–820 204
821–840 186
841–860 177
861–880 155
881–900 139
901–920 145
921–940 116
941–960 133
961–980 91
981–1,000 96
1,001–1,020 77
1,021–1,040 70
1,041–1,060 63
1,061–1,080 77
1,081–1,100 49
1,101–1,120 54
1,121–1,140 49
1,141–1,160 51
1,161–1,180 35
1,181–1,200 39
1,201–1,220 26
1,221–1,240 37
1,241–1,260 36
1,261–1,280 27
1,281–1,300 32
1,301–1,320 28
1,321–1,340 17
1,341–1,360 30
1,361–1,380 28
1,381–1,400 17
1,401–1,420 21
1,421–1,440 15
1,441–1,460 12
1,461–1,480 12
1,481–1,500 18
1,501–1,520 14
1,521–1,540 17
1,541–1,560 15
1,561–1,580 6
1,581–1,600 2
1,601–1,620 12
1,621–1,640 11
1,641–1,660 8
1,661–1,680 5
1,681–1,700 5
1,701–1,720 10
1,721–1,740 12 1,731
1,741–1,760 14
1,761–1,780 6
1,781–1,795 5
1,796+ 100
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Roberto Romero publication distribution in Medicine in 2026 - data summary

  • The chart plots the publication count of all 20,134 Medicine scientists ranked by Research.com in 2026, grouped into 86 ranges running from 101–120 to 1,796+ publications.
  • Roberto Romero, a Medicine scholar from National Institutes of Health, records 1,731 publications - the 99th percentile of the discipline.
  • 99% of ranked Medicine scientists score the same or lower than Roberto Romero, and about 1% score higher.
  • The median of the discipline falls in the 441–460 publications range, and Roberto Romero ranks above the median.
  • The most crowded range is 341–360 publications, holding 922 scientists (5% of the field).
  • 64% of the field sits in the lowest quarter of the value range (up to 521–540 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,796 publications or more, 100 scientists in all (<1% of the field).

Roberto Romero D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Roberto Romero sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 75 bars. Horizontal axis: D-Index, 70–71 to 217+. Vertical axis: number of scientists, 0 to 1,027. Most scientists, 1,027, have 82–83 D-Index. The last bar groups every scientist with 217 D-Index or more. The highlighted bar, 196–197 D-Index, is where this scientist sits. 70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70–71 D-Index 217+

This scientist: 197 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

View D-Index distribution as a table
Number of Medicine scientists by D-index, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
D-Index Scientists This scientist
70–71 226
72–73 391
74–75 574
76–77 730
78–79 891
80–81 972
82–83 1,027
84–85 1,003
86–87 960
88–89 970
90–91 922
92–93 839
94–95 808
96–97 779
98–99 668
100–101 611
102–103 630
104–105 513
106–107 541
108–109 445
110–111 429
112–113 399
114–115 393
116–117 318
118–119 302
120–121 287
122–123 255
124–125 256
126–127 252
128–129 230
130–131 179
132–133 168
134–135 163
136–137 159
138–139 134
140–141 134
142–143 118
144–145 109
146–147 106
148–149 74
150–151 79
152–153 80
154–155 87
156–157 57
158–159 74
160–161 69
162–163 60
164–165 53
166–167 39
168–169 42
170–171 32
172–173 39
174–175 40
176–177 28
178–179 19
180–181 23
182–183 31
184–185 18
186–187 20
188–189 22
190–191 13
192–193 21
194–195 12
196–197 12 197
198–199 14
200–201 15
202–203 13
204–205 10
206–207 8
208–209 4
210–211 12
212–213 11
214–215 10
216 4
217+ 98
Download as CSV

Roberto Romero D-index placement in Medicine in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 20,134 Medicine scientists ranked by Research.com in 2026, grouped into 75 ranges running from 70–71 to 217+ D-Index.
  • Roberto Romero, a Medicine scholar from National Institutes of Health, records 197 D-Index - the 99th percentile of the discipline.
  • 99% of ranked Medicine scientists score the same or lower than Roberto Romero, and about 1% score higher.
  • The median of the discipline falls in the 94–95 D-Index range, and Roberto Romero ranks above the median.
  • The most crowded range is 82–83 D-Index, holding 1,027 scientists (5% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 106–107 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 217 D-Index or more, 98 scientists in all (<1% of the field).

Research.com Recognitions

  • 2026 - Research.com Best Scientists Award
  • 2025 - Research.com Best Scientists Award
  • 2023 - Research.com Medicine in United States Leader Award
  • 2016 - Asan Award in Medicine, Asan Foundation
  • 2007 - Member of the National Academy of Medicine (NAM)

Overview

Roberto Romero is affiliated with the National Institutes of Health in the United States. Their research primarily focuses on medicine, with a significant emphasis on obstetrics and gynecology. Contributions cover intersecting fields including epidemiology, public health, environmental and occupational health, pediatrics, perinatology, child health, and immunology.

The scientist's work addresses several main topics related to pregnancy and neonatal health. These include:

  • Preterm birth and chorioamnionitis
  • Pregnancy and preeclampsia studies
  • Reproductive system and pregnancy
  • Pregnancy-related medical research
  • Neonatal respiratory health research
  • Reproductive tract infections research
  • Birth, development, and health

Roberto Romero has published extensively in a number of venues. The most frequent publication outlets include:

  • American Journal of Obstetrics and Gynecology
  • Journal of Perinatal Medicine
  • The Journal of Maternal-Fetal & Neonatal Medicine
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Scientific Reports

Recent papers authored by Roberto Romero include:

  • "FIGO (International Federation of Gynecology and Obstetrics) initiative on fetal growth: Best practice advice for screening, diagnosis, and management of fetal growth restriction" (2021), published in International Journal of Gynecology & Obstetrics
  • "The etiology of preeclampsia" (2022), published in American Journal of Obstetrics and Gynecology
  • "Does the human placenta express the canonical cell entry mediators for SARS-CoV-2?" (2020), published in eLife
  • "SARS-CoV-2 infection during pregnancy and risk of preeclampsia: a systematic review and meta-analysis" (2021), published in American Journal of Obstetrics and Gynecology
  • "Preeclampsia and eclampsia: the conceptual evolution of a syndrome" (2022), published in American Journal of Obstetrics and Gynecology

Frequent co-authors collaborating with Roberto Romero include:

  • Nardhy Gomez-Lopez
  • Adi L. Tarca
  • Eunjung Jung
  • José Galaz
  • Valeria Garcia-Flores

Throughout their career, Roberto Romero has been recognized with several awards such as the Asan Award in Medicine from the Asan Foundation in 2016 and was elected as a Member of the National Academy of Medicine in 2007.

Best Publications

  • Epidemiology and causes of preterm birth

    Robert L Goldenberg;Jennifer F Culhane;Jay D Iams;Roberto Romero;Roberto Romero

  • Soluble endoglin and other circulating antiangiogenic factors in preeclampsia

    Richard J. Levine;Chun Lam;Cong Qian;Kai F. Yu

  • Soluble endoglin contributes to the pathogenesis of preeclampsia.

    Shivalingappa Venkatesha;Mourad Toporsian;Chun Lam;Jun-ichi Hanai

  • Preterm labor: One syndrome, many causes

    Roberto Romero;Roberto Romero;Roberto Romero;Sudhansu K. Dey;Susan J. Fisher

  • The preterm parturition syndrome

    R Romero;J Espinoza;JP Kusanovic;F Gotsch

  • The "Great Obstetrical Syndromes" are associated with disorders of deep placentation.

    Ivo Brosens;Robert Pijnenborg;Lisbeth Vercruysse;Roberto Romero;Roberto Romero

  • A systems biology approach for pathway level analysis

    Sorin Draghici;Purvesh Khatri;Adi Laurentiu Tarca;Kashyap Amin

  • The vaginal microbiome: New information about genital tract flora using molecular based techniques

    Ronald F. Lamont;Jack D. Sobel;Robert A. Akins;Sonia S. Hassan

  • The fetal inflammatory response syndrome.

    Ricardo Gomez;Roberto Romero;Fabio Ghezzi;Bo Hyun Yoon

  • A review of premature birth and subclinical infection

    R. S. Gibbs;R. Romero;S. L. Hillier;D. A. Eschenbach

  • A novel signaling pathway impact analysis

    Adi Laurentiu Tarca;Sorin Draghici;Purvesh Khatri;Sonia S. Hassan

  • Vaginal progesterone reduces the rate of preterm birth in women with a sonographic short cervix: a multicenter, randomized, double-blind, placebo-controlled trial

    S. S. Hassan;S. S. Hassan;R. Romero;R. Romero;R. Romero;D. Vidyadhari;S. Fusey

  • Pre-eclampsia part 1: current understanding of its pathophysiology

    Tinnakorn Chaiworapongsa;Piya Chaemsaithong;Lami Yeo;Roberto Romero

  • The role of inflammation and infection in preterm birth.

    Roberto Romero;Jimmy Espinoza;Jimmy Espinoza;Luís F. Gonçalves;Luís F. Gonçalves;Juan Pedro Kusanovic

  • Infection and preterm labor.

    Roberto Romero;Moshe Mazor

  • Amniotic fluid inflammatory cytokines (interleukin-6, interleukin-1β, and tumor necrosis factor-α), neonatal brain white matter lesions, and cerebral palsy

    Bo Hyun Yoon;Jong Kwan Jun;Roberto Romero;Kyo Hoon Park

  • The International Federation of Gynecology and Obstetrics (FIGO) initiative on pre-eclampsia: A pragmatic guide for first-trimester screening and prevention.

    Liona C. Poon;Andrew Shennan;Jonathan A. Hyett;Anil Kapur

  • Infection and labor. V. Prevalence, microbiology, and clinical significance of intraamniotic infection in women with preterm labor and intact membranes

    R Romero;M Sirtori;E Oyarzun;C Avila

  • Acute chorioamnionitis and funisitis: definition, pathologic features, and clinical significance.

    Chong Jai Kim;Chong Jai Kim;Roberto Romero;Piya Chaemsaithong;Piya Chaemsaithong;Noppadol Chaiyasit;Noppadol Chaiyasit

  • The fetal inflammatory response syndrome.

    Francesca Gotsch;Roberto Romero;Juan Pedro Kusanovic;Shali Mazaki-Tovi

Frequent Co-Authors

Sonia S. Hassan
Sonia S. Hassan Wayne State University
Tinnakorn Chaiworapongsa
Tinnakorn Chaiworapongsa Wayne State University
Juan Pedro Kusanovic
Juan Pedro Kusanovic Pontificia Universidad Católica de Chile
Offer Erez
Offer Erez Soroka Medical Center
Jimmy Espinoza
Jimmy Espinoza Baylor College of Medicine
Lami Yeo
Lami Yeo National Institutes of Health
Adi L. Tarca
Adi L. Tarca National Institutes of Health
Nardhy Gomez-Lopez
Nardhy Gomez-Lopez Wayne State University
Chong Jai Kim
Chong Jai Kim Asan Medical Center
Ricardo Gomez
Ricardo Gomez Pontificia Universidad Católica de Chile

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