Jimmy Espinoza

21.4k total citations · 4 hit papers
392 papers, 15.7k citations indexed

About

Jimmy Espinoza is a scholar working on Pediatrics, Perinatology and Child Health, Obstetrics and Gynecology and Epidemiology. According to data from OpenAlex, Jimmy Espinoza has authored 392 papers receiving a total of 15.7k indexed citations (citations by other indexed papers that have themselves been cited), including 185 papers in Pediatrics, Perinatology and Child Health, 156 papers in Obstetrics and Gynecology and 132 papers in Epidemiology. Recurrent topics in Jimmy Espinoza's work include Pregnancy and preeclampsia studies (139 papers), Preterm Birth and Chorioamnionitis (84 papers) and Prenatal Screening and Diagnostics (68 papers). Jimmy Espinoza is often cited by papers focused on Pregnancy and preeclampsia studies (139 papers), Preterm Birth and Chorioamnionitis (84 papers) and Prenatal Screening and Diagnostics (68 papers). Jimmy Espinoza collaborates with scholars based in United States, South Korea and Chile. Jimmy Espinoza's co-authors include Roberto Romero, Juan Pedro Kusanovic, Tinnakorn Chaiworapongsa, Sonia S. Hassan, Offer Erez, Luís F. Gonçalves, Francesca Gotsch, Jyh Kae Nien, Ricardo Gómez and Lara Friel and has published in prestigious journals such as The Journal of Immunology, Scientific Reports and Journal of Nutrition.

In The Last Decade

Jimmy Espinoza

373 papers receiving 15.4k citations

Hit Papers

The preterm parturition syndrome 2006 2026 2012 2019 2006 2007 2006 2008 250 500 750 1000
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. The preterm parturition syndrome
    2006 1.0k citations Roberto Romero, Jimmy Espinoza et al. profile →
  2. The Role of Inflammation and Infection in Preterm Birth
    2007 696 citations Roberto Romero, Jimmy Espinoza et al. profile →
  3. Inflammation in preterm and term labour and delivery
    2006 584 citations Roberto Romero, Jimmy Espinoza et al. profile →
  4. A longitudinal study of angiogenic (placental growth factor) and anti-angiogenic (soluble endoglin and soluble vascular endothelial growth factor receptor-1) factors in normal pregnancy and patients destined to develop preeclampsia and deliver a small for gestational age neonate
    2008 535 citations Roberto Romero, Jyh Kae Nien et al. The Journal of Maternal-Fetal & Neonatal Medicine profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Jimmy Espinoza United States 65 7.5k 6.9k 6.0k 4.5k 3.9k 392 15.7k
Offer Erez United States 59 7.2k 1.0× 5.7k 0.8× 4.9k 0.8× 3.6k 0.8× 3.2k 0.8× 325 13.6k
Juan Pedro Kusanovic United States 68 8.8k 1.2× 8.9k 1.3× 5.7k 0.9× 5.0k 1.1× 4.9k 1.2× 296 18.8k
Tinnakorn Chaiworapongsa United States 77 10.9k 1.4× 11.1k 1.6× 6.9k 1.2× 6.3k 1.4× 6.3k 1.6× 371 21.6k
Bo Hyun Yoon South Korea 71 5.9k 0.8× 11.1k 1.6× 4.2k 0.7× 6.5k 1.5× 3.5k 0.9× 309 16.4k
Francesca Gotsch United States 54 5.7k 0.8× 5.3k 0.8× 3.5k 0.6× 3.1k 0.7× 2.8k 0.7× 179 10.9k
Sonia S. Hassan United States 82 11.1k 1.5× 12.6k 1.8× 7.3k 1.2× 8.2k 1.8× 6.7k 1.7× 433 24.5k
Raymond W. Redline United States 61 4.7k 0.6× 2.8k 0.4× 4.4k 0.7× 2.3k 0.5× 2.7k 0.7× 172 11.6k
Errol R. Norwitz United States 54 4.1k 0.6× 2.5k 0.4× 2.9k 0.5× 2.8k 0.6× 2.9k 0.7× 289 9.7k
John C. Hobbins United States 60 4.0k 0.5× 3.3k 0.5× 5.8k 1.0× 2.0k 0.4× 918 0.2× 256 12.0k
Niels Uldbjerg Denmark 47 2.4k 0.3× 2.6k 0.4× 2.5k 0.4× 2.8k 0.6× 857 0.2× 309 8.3k

Countries citing papers authored by Jimmy Espinoza

Since Specialization
Citations

This map shows the geographic impact of Jimmy Espinoza's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Jimmy Espinoza with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Jimmy Espinoza more than expected).

Fields of papers citing papers by Jimmy Espinoza

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Jimmy Espinoza. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Jimmy Espinoza. The network helps show where Jimmy Espinoza may publish in the future.

Co-authorship network of co-authors of Jimmy Espinoza

This figure shows the co-authorship network connecting the top 25 collaborators of Jimmy Espinoza. A scholar is included among the top collaborators of Jimmy Espinoza based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Jimmy Espinoza. Jimmy Espinoza is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Moise, Kenneth J., Kara B. Markham, Philip C. Spinella, et al.. (2025). A Clinical Practice Guideline for the Management of Pregnancy Alloimmunized to Red Blood Cell Antigens. JAMA Network Open. 8(11). e2544649–e2544649.
2.
Espinoza, Jimmy. (2023). Evolutionary perspective of uteroplacental malperfusion: subjacent insult common to most pregnancy complications. Ultrasound in Obstetrics and Gynecology. 62(1). 7–13. 1 indexed citations
3.
Nassr, Ahmed A., Kamran Hessami, R. Corroënne, et al.. (2023). Outcome of laser photocoagulation in monochorionic diamniotic twin pregnancy complicated by Type‐II selective fetal growth restriction. Ultrasound in Obstetrics and Gynecology. 62(3). 369–373. 6 indexed citations
4.
Woelkers, Douglas, Yao Wang, Jimmy Espinoza, et al.. (2023). Racial differences in healthcare utilization among patients with suspected or diagnosed preeclampsia: A retrospective cohort study. Pregnancy Hypertension. 33. 8–16. 1 indexed citations
5.
Mehl, Steven C., Walker D. Short, Raphael C. Sun, et al.. (2022). Delivery planning for congenital lung malformations: A CVR based perinatal care algorithm. Journal of Pediatric Surgery. 57(5). 833–839. 9 indexed citations
6.
Salmanian, Bahram, Karin A. Fox, Sara E. Arian, et al.. (2020). In vitro fertilization as an independent risk factor for placenta accreta spectrum. American Journal of Obstetrics and Gynecology. 223(4). 568.e1–568.e5. 58 indexed citations
7.
Hamill, Neil, Lami Yeo, Roberto Romero, et al.. (2011). Fetal cardiac ventricular volume, cardiac output, and ejection fraction determined with 4-dimensional ultrasound using spatiotemporal image correlation and virtual organ computer-aided analysis. American Journal of Obstetrics and Gynecology. 205(1). 76.e1–76.e10. 65 indexed citations
8.
Mazaki‐Tovi, Shali, Roberto Romero, Edi Vaisbuch, et al.. (2009). Low circulating maternal adiponectin in patients with pyelonephritis: adiponectin at the crossroads of pregnancy and infection. Journal of Perinatal Medicine. 38(1). 9–17. 20 indexed citations
9.
Espinoza, Jimmy, Tinnakorn Chaiworapongsa, Roberto Romero, et al.. (2007). Unexplained fetal death: Another anti-angiogenic state. The Journal of Maternal-Fetal & Neonatal Medicine. 20(7). 495–507. 45 indexed citations
10.
Soto, Eleazar, Jimmy Espinoza, Jyh Kae Nien, et al.. (2007). Human β-defensin-2: A natural antimicrobial peptide present in amniotic fluid participates in the host response to microbial invasion of the amniotic cavity. The Journal of Maternal-Fetal & Neonatal Medicine. 20(1). 15–22. 81 indexed citations
11.
Gotsch, Francesca, Roberto Romero, Juan Pedro Kusanovic, et al.. (2007). The Fetal Inflammatory Response Syndrome. Clinical Obstetrics & Gynecology. 50(3). 652–683. 410 indexed citations
12.
Mittal, Pooja, Jimmy Espinoza, Juan Pedro Kusanovic, et al.. (2007). Placental growth hormone is increased in the maternal and fetal serum of patients with preeclampsia. The Journal of Maternal-Fetal & Neonatal Medicine. 20(9). 651–659. 41 indexed citations
13.
Romero, Roberto, Jimmy Espinoza, Ricardo Gómez, et al.. (2004). Fetal cardiac dysfunction in preterm premature rupture of membranes. The Journal of Maternal-Fetal & Neonatal Medicine. 16(3). 146–157. 76 indexed citations
14.
Chaiworapongsa, Tinnakorn, Roberto Romero, Jimmy Espinoza, et al.. (2004). Evidence supporting a role for blockade of the vascular endothelial growth factor system in the pathophysiology of preeclampsia. American Journal of Obstetrics and Gynecology. 190(6). 1541–1547. 302 indexed citations
15.
Fidel, Paul L., Fabio Ghezzi, Roberto Romero, et al.. (2003). The effect of antibiotic therapy on intrauterine infection-induced preterm parturition in rabbits. The Journal of Maternal-Fetal & Neonatal Medicine. 14(1). 57–64. 26 indexed citations
16.
Chaiworapongsa, Tinnakorn, Jimmy Espinoza, Jun Yoshimatsu, et al.. (2003). Matrix metalloproteinase 3 in parturition, premature rupture of the membranes, and microbial invasion of the amniotic cavity. Journal of Perinatal Medicine. 31(1). 12–22. 65 indexed citations
17.
Gonçalves, Luís F., Wesley Lee, Tinnakorn Chaiworapongsa, et al.. (2003). Four-dimensional ultrasonography of the fetal heart with spatiotemporal image correlation. American Journal of Obstetrics and Gynecology. 189(6). 1792–1802. 174 indexed citations
18.
Romero, Roberto, Jimmy Espinoza, Tinnakorn Chaiworapongsa, et al.. (2002). Neutrophil elastase and secretory leukocyte protease inhibitor in prelabor rupture of membranes, parturition and intra-amniotic infection. The Journal of Maternal-Fetal & Neonatal Medicine. 12(4). 237–246. 111 indexed citations
19.
Romero, Roberto, Jimmy Espinoza, Tinnakorn Chaiworapongsa, & Karim D. Kalache. (2002). Infection and prematurity and the role of preventive strategies. Seminars in Neonatology. 7(4). 259–274. 210 indexed citations
20.
Romero, Roberto, Gustaaf Dekker, Michael J. Kupferminc, et al.. (2002). Can heparin prevent adverse pregnancy outcome?. The Journal of Maternal-Fetal & Neonatal Medicine. 12(1). 1–8. 37 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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