World's Best Scientists 2026 revealed!
Peter N. Schlegel

Peter N. Schlegel

D-Index & Metrics

Medicine

D-Index
91
Citations
26309
World Ranking
11877
National Ranking
6092

Peter N. Schlegel 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 Peter N. Schlegel sits on this spectrum.

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 publications 1,796+

This scientist: 577 publications — 69th percentile

69% of scientists in this discipline score the same or lower.

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

Peter N. Schlegel 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 Peter N. Schlegel sits on this spectrum.

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 D-Index 217+

This scientist: 91 D-Index — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Overview

Peter N. Schlegel is affiliated with Cornell University in the United States and has a research focus primarily within the field of Medicine, with significant contributions in Biochemistry, Genetics and Molecular Biology.

Their work concentrates on subfields such as Reproductive Medicine, Public Health, Environmental and Occupational Health, Molecular Biology, Genetics, and Surgery. Main topics covered include:

  • Sperm and Testicular Function
  • Reproductive Biology and Fertility
  • Sexual Differentiation and Disorders
  • Reproductive Health and Technologies
  • Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
  • Testicular diseases and treatments
  • Male Reproductive Health Studies

Frequent publication venues reflect the scientist's research focus and include:

  • Fertility and Sterility
  • The Journal of Urology
  • Urology
  • Human Reproduction
  • Reports of Practical Oncology & Radiotherapy

Recent notable papers authored by Peter N. Schlegel are:

  • Diagnosis and treatment of infertility in men: AUA/ASRM guideline part I, 2020, Fertility and Sterility
  • Diagnosis and Treatment of Infertility in Men: AUA/ASRM Guideline PART II, 2020, The Journal of Urology
  • Diagnosis and Treatment of Infertility in Men: AUA/ASRM Guideline Part I, 2020, The Journal of Urology
  • Diagnosis and treatment of infertility in men: AUA/ASRM guideline part II, 2020, Fertility and Sterility

Among frequent co-authors are:

  • Nahid Punjani
  • Michael L. Eisenberg
  • Caroline Kang
  • Jessica Marinaro
  • Jay Sandlow

Best Publications

  • Best practice policies for male infertility

    Ira D Sharlip;Jonathan P Jarow;Arnold M Belker;Larry I Lipshultz

  • Testicular sperm extraction: microdissection improves sperm yield with minimal tissue excision

    Peter N. Schlegel

  • Physiological Consequences of Testicular Sperm Extraction

    P.N. Schlegel;L.-M. Su

  • Detection of sperm in men with Y chromosome microdeletions of the AZFa, AZFb and AZFc regions

    C.V. Hopps;A. Mielnik;M. Goldstein;G.D. Palermo

  • Do sperm DNA integrity tests predict pregnancy with in vitro fertilization

    John A. Collins;Kurt T. Barnhart;Peter N. Schlegel

  • Patient Satisfaction With Telemedicine During the COVID-19 Pandemic: Retrospective Cohort Study.

    Ashwin Ramaswamy;Miko Yu;Siri Drangsholt;Eric Ng

  • AROMATASE INHIBITORS FOR MALE INFERTILITY

    Jay D. Raman;Peter N. Schlegel

  • Success of testicular sperm extraction [corrected] and intracytoplasmic sperm injection in men with Klinefelter syndrome.

    Jonathan D. Schiff;Gianpiero D. Palermo;Lucinda L. Veeck;Marc Goldstein

  • Fertilization and pregnancy outcome with intracytoplasmic sperm injection for azoospermic men

    Gianpiero D. Palermo;Peter N. Schlegel;June J. Hariprashad;Berrin Ergün

  • Successful Fertility Treatment for Klinefelter's Syndrome

    Ranjith Ramasamy;Joseph A. Ricci;Gianpiero D. Palermo;Lucinda Veeck Gosden

  • Structural and functional changes to the testis after conventional versus microdissection testicular sperm extraction.

    Ranjith Ramasamy;Neda Yagan;Peter N. Schlegel

  • Testicular sperm extraction with intracytoplasmic sperm injection for nonobstructive azoospermia

    Peter N. Schlegel;Peter N. Schlegel;Gianpiero D. Palermo;Gianpiero D. Palermo;Marc Goldstein;Marc Goldstein;Silvia Menendez;Silvia Menendez

  • Neuroanatomical Approach to Radical Cystoprostatectomy with Preservation of Sexual Function

    Peter N. Schlegel;Patrick C. Walsh

  • EVIDENCE OF A TREATABLE ENDOCRINOPATHY IN INFERTILE MEN

    Christian P. Pavlovich;Peggyann King;Marc Goldstein;Peter N. Schlegel

  • Forty years of IVF

    Craig S. Niederberger;Antonio Pellicer;Jacques Cohen;David K. Gardner

  • Best Practice Policies for Male Infertility

    Jonathan P. Jarow;Ira D. Sharlip;Arnold M. Belker;Larry I. Lipshultz

  • Births after intracytoplasmic injection of sperm obtained by testicular extraction from men with nonmosaic Klinefelter's syndrome.

    G D Palermo;P N Schlegel;E S Sills;L L Veeck

  • Comparison of microdissection testicular sperm extraction, conventional testicular sperm extraction, and testicular sperm aspiration for nonobstructive azoospermia: a systematic review and meta-analysis

    Aaron M. Bernie;Douglas A. Mata;Ranjith Ramasamy;Peter N. Schlegel

  • Immunohistochemical localization of endothelial nitric oxide synthase in human testis, epididymis, and vas deferens suggests a possible role for nitric oxide in spermatogenesis, sperm maturation, and programmed cell death.

    Armand Zini;Armand Zini;Moira K. O'Bryan;Margret S. Magid;Peter N. Schlegel;Peter N. Schlegel

  • Diagnosis and treatment of infertility in men: AUA/ASRM guideline part I

    Peter N. Schlegel;Mark Sigman;Barbara Collura;Christopher J. De Jonge

Frequent Co-Authors

Marc Goldstein
Marc Goldstein Cornell University
Zev Rosenwaks
Zev Rosenwaks Cornell University
Douglas S. Scherr
Douglas S. Scherr Cornell University
Douglas T. Carrell
Douglas T. Carrell University of Utah
Larry I. Lipshultz
Larry I. Lipshultz Baylor College of Medicine
Moira K O'Bryan
Moira K O'Bryan University of Melbourne
Christos Coutifaris
Christos Coutifaris University of Pennsylvania
John P. Mulhall
John P. Mulhall Memorial Sloan Kettering Cancer Center
Patrick C. Walsh
Patrick C. Walsh Johns Hopkins University
John F. Atkins
John F. Atkins University College Cork

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