Sam Edwin

3.2k total citations · 2 hit papers
31 papers, 2.5k citations indexed

About

Sam Edwin is a scholar working on Epidemiology, Obstetrics and Gynecology and Pediatrics, Perinatology and Child Health. According to data from OpenAlex, Sam Edwin has authored 31 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Epidemiology, 12 papers in Obstetrics and Gynecology and 8 papers in Pediatrics, Perinatology and Child Health. Recurrent topics in Sam Edwin's work include Preterm Birth and Chorioamnionitis (22 papers), Pregnancy and preeclampsia studies (12 papers) and Pregnancy-related medical research (7 papers). Sam Edwin is often cited by papers focused on Preterm Birth and Chorioamnionitis (22 papers), Pregnancy and preeclampsia studies (12 papers) and Pregnancy-related medical research (7 papers). Sam Edwin collaborates with scholars based in United States, South Korea and Chile. Sam Edwin's co-authors include Roberto Romero, Juan Pedro Kusanovic, Ricardo Gómez, Offer Erez, Francesca Gotsch, Jimmy Espinoza, Jyh Kae Nien, Tinnakorn Chaiworapongsa, Chong Jai Kim and Sonia S. Hassan and has published in prestigious journals such as PLoS ONE, American Journal of Obstetrics and Gynecology and American Journal of Reproductive Immunology.

In The Last Decade

Sam Edwin

31 papers receiving 2.5k citations

Hit Papers

Microbial Prevalence, Diversity and Abundance in Amniotic... 2008 2026 2014 2020 2008 2008 100 200 300 400 500
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. Microbial Prevalence, Diversity and Abundance in Amniotic Fluid During Preterm Labor: A Molecular and Culture-Based Investigation
    2008 573 citations Daniel B. DiGiulio, Roberto Romero et al. PLoS ONE profile →
  2. 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
Sam Edwin United States 20 1.3k 1.2k 817 797 636 31 2.5k
Eli Maymon Israel 34 1.8k 1.4× 2.1k 1.7× 1.2k 1.4× 1.5k 1.9× 851 1.3× 81 4.0k
Rogelio González Chile 18 940 0.7× 1.2k 1.0× 1.1k 1.4× 831 1.0× 331 0.5× 28 2.7k
Moshe Mazor United States 16 564 0.4× 1.1k 0.9× 513 0.6× 663 0.8× 288 0.5× 18 1.7k
T. Teoh United Kingdom 22 551 0.4× 1.0k 0.8× 295 0.4× 834 1.0× 756 1.2× 48 2.4k
Kyung Joon Oh South Korea 22 573 0.4× 1.1k 0.9× 292 0.4× 809 1.0× 189 0.3× 80 1.5k
Sílvia Daher Brazil 26 1.1k 0.9× 343 0.3× 579 0.7× 449 0.6× 848 1.3× 81 2.1k
Ivana Musilová Czechia 24 626 0.5× 1.6k 1.3× 215 0.3× 1.0k 1.3× 336 0.5× 106 1.8k
Zion Hagay Israel 25 1.0k 0.8× 481 0.4× 817 1.0× 521 0.7× 140 0.2× 130 2.4k
William R. Crombleholme United States 22 908 0.7× 442 0.4× 769 0.9× 331 0.4× 252 0.4× 45 1.9k
Teresa Cobo Spain 26 517 0.4× 1.1k 0.9× 342 0.4× 671 0.8× 167 0.3× 66 1.5k

Countries citing papers authored by Sam Edwin

Since Specialization
Citations

This map shows the geographic impact of Sam Edwin'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 Sam Edwin with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Sam Edwin more than expected).

Fields of papers citing papers by Sam Edwin

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Sam Edwin. 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 Sam Edwin. The network helps show where Sam Edwin may publish in the future.

Co-authorship network of co-authors of Sam Edwin

This figure shows the co-authorship network connecting the top 25 collaborators of Sam Edwin. A scholar is included among the top collaborators of Sam Edwin 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 Sam Edwin. Sam Edwin 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.
Kusanovic, Juan Pedro, Roberto Romero, Cristiano Jodicke, et al.. (2009). Amniotic fluid soluble human leukocyte antigen-G in term and preterm parturition, and intra-amniotic infection/inflammation. The Journal of Maternal-Fetal & Neonatal Medicine. 22(12). 1151–1166. 32 indexed citations
2.
Vaisbuch, Edi, Juan Pedro Kusanovic, Offer Erez, et al.. (2009). Amniotic fluid fetal hemoglobin in normal pregnancies and pregnancies complicated with preterm labor or prelabor rupture of membranes. The Journal of Maternal-Fetal & Neonatal Medicine. 22(5). 388–397. 7 indexed citations
3.
Vaisbuch, Edi, Roberto Romero, Offer Erez, et al.. (2008). Total hemoglobin concentration in amniotic fluid is increased in intraamniotic infection/inflammation. American Journal of Obstetrics and Gynecology. 199(4). 426.e1–426.e7. 14 indexed citations
4.
Romero, Roberto, Jimmy Espinoza, Wade T. Rogers, et al.. (2008). Proteomic analysis of amniotic fluid to identify women with preterm labor and intra-amniotic inflammation/infection: The use of a novel computational method to analyze mass spectrometric profiling. The Journal of Maternal-Fetal & Neonatal Medicine. 21(6). 367–387. 50 indexed citations
5.
Romero, Roberto, Jimmy Espinoza, Sonia S. Hassan, et al.. (2008). Soluble receptor for advanced glycation end products (sRAGE) and endogenous secretory RAGE (esRAGE) in amniotic fluid: modulation by infection and inflammation. Journal of Perinatal Medicine. 36(5). 388–98. 54 indexed citations
6.
Kusanovic, Juan Pedro, Roberto Romero, Jimmy Espinoza, et al.. (2008). Twin-to-twin transfusion syndrome: an antiangiogenic state?. American Journal of Obstetrics and Gynecology. 198(4). 382.e1–382.e8. 47 indexed citations
7.
DiGiulio, Daniel B., Roberto Romero, Juan Pedro Kusanovic, et al.. (2008). Microbial Prevalence, Diversity and Abundance in Amniotic Fluid During Preterm Labor: A Molecular and Culture-Based Investigation. PLoS ONE. 3(8). e3056–e3056. 573 indexed citations breakdown →
8.
Hamill, Neil, Roberto Romero, Francesca Gotsch, et al.. (2008). Exodus-1 (CCL20): evidence for the participation of this chemokine in spontaneous labor at term, preterm labor, and intrauterine infection. Journal of Perinatal Medicine. 36(3). 217–27. 56 indexed citations
9.
Romero, Roberto, Jyh Kae Nien, Jimmy Espinoza, et al.. (2008). 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. The Journal of Maternal-Fetal & Neonatal Medicine. 21(1). 9–23. 535 indexed citations breakdown →
10.
Friel, Lara, Roberto Romero, Sam Edwin, et al.. (2007). The calcium binding protein, S100B, is increased in the amniotic fluid of women with intra-amniotic infection/inflammation and preterm labor with intact or ruptured membranes. Journal of Perinatal Medicine. 35(5). 385–393. 56 indexed citations
11.
Kusanovic, Juan Pedro, Jimmy Espinoza, Roberto Romero, et al.. (2007). Plasma protein Z concentrations in pregnant women with idiopathic intrauterine bleeding and in women with spontaneous preterm labor. The Journal of Maternal-Fetal & Neonatal Medicine. 20(6). 453–463. 23 indexed citations
12.
Espinoza, Jimmy, Roberto Romero, Jyh Kae Nien, et al.. (2007). Identification of patients at risk for early onset and/or severe preeclampsia with the use of uterine artery Doppler velocimetry and placental growth factor. American Journal of Obstetrics and Gynecology. 196(4). 326.e1–326.e13. 209 indexed citations
13.
Nien, Jyh Kae, Bo Hyun Yoon, Jimmy Espinoza, et al.. (2006). A rapid MMP-8 bedside test for the detection of intra-amniotic inflammation identifies patients at risk for imminent preterm delivery. American Journal of Obstetrics and Gynecology. 195(4). 1025–1030. 78 indexed citations
14.
Haddad, Ramsi, Roberto Romero, Gerard Tromp, et al.. (2006). Uterine transcriptomes of bacteria-induced and ovariectomy-induced preterm labor in mice are characterized by differential expression of arachidonate metabolism genes. American Journal of Obstetrics and Gynecology. 195(3). 822–828. 16 indexed citations
15.
Gómez, Ricardo, Roberto Romero, Luis Medina, et al.. (2005). Cervicovaginal fibronectin improves the prediction of preterm delivery based on sonographic cervical length in patients with preterm uterine contractions and intact membranes. American Journal of Obstetrics and Gynecology. 192(2). 350–359. 137 indexed citations
16.
Romero, Roberto, Tinnakorn Chaiworapongsa, Jimmy Espinoza, et al.. (2002). Fetal plasma MMP-9 concentrations are elevated in preterm premature rupture of the membranes. American Journal of Obstetrics and Gynecology. 187(5). 1125–1130. 98 indexed citations
17.
Maymon, Eli, Roberto Romero, Susan Berman, et al.. (2001). Amniotic fluid matrix metalloproteinase–8 in preterm labor with intact membranes. American Journal of Obstetrics and Gynecology. 185(5). 1149–1155. 71 indexed citations
18.
Maymon, Eli, Roberto Romero, Percy Pacora, et al.. (2001). A role for the 72 kDa gelatinase (MMP-2) and its inhibitor (TIMP-2) in human parturition, premature rupture of membranes and intraamniotic infection. Journal of Perinatal Medicine. 29(4). 308–16. 94 indexed citations
19.
Maymon, Eli, Roberto Romero, Percy Pacora, et al.. (2000). Human neutrophil collagenase (matrix metalloproteinase 8) in parturition, premature rupture of the membranes, and intrauterine infection. American Journal of Obstetrics and Gynecology. 183(1). 94–99. 180 indexed citations
20.
Dudley, Donald J., et al.. (1995). Regulation of Human Decidual Cell Macrophage Inflammatory Protein‐1α (MIP‐1α) Production by Inflammatory Cytokines. American Journal of Reproductive Immunology. 34(4). 231–235. 41 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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