Nigel Simpson

6.6k total citations · 3 hit papers
97 papers, 3.8k citations indexed

About

Nigel Simpson is a scholar working on Obstetrics and Gynecology, Pediatrics, Perinatology and Child Health and Public Health, Environmental and Occupational Health. According to data from OpenAlex, Nigel Simpson has authored 97 papers receiving a total of 3.8k indexed citations (citations by other indexed papers that have themselves been cited), including 57 papers in Obstetrics and Gynecology, 53 papers in Pediatrics, Perinatology and Child Health and 30 papers in Public Health, Environmental and Occupational Health. Recurrent topics in Nigel Simpson's work include Pregnancy and preeclampsia studies (37 papers), Birth, Development, and Health (24 papers) and Preterm Birth and Chorioamnionitis (19 papers). Nigel Simpson is often cited by papers focused on Pregnancy and preeclampsia studies (37 papers), Birth, Development, and Health (24 papers) and Preterm Birth and Chorioamnionitis (19 papers). Nigel Simpson collaborates with scholars based in United Kingdom, Australia and Ireland. Nigel Simpson's co-authors include Marian Knight, Chris Gale, Peter Brocklehurst, Maria Quigley, Jennifer J. Kurinczuk, Kathryn Bunch, Nicola Vousden, Patrick O’Brien, James J. Walker and Jenny Myers and has published in prestigious journals such as The Lancet, Circulation and Nature Communications.

In The Last Decade

Nigel Simpson

94 papers receiving 3.7k citations

Hit Papers

align trajectories

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.

Characteristics and outcomes of pregnant women admitted to hospital with confirmed SARS-CoV-2 infection in UK: national population based cohort study

2020 705 citations Marian Knight, Kathryn Bunch et al. profile →
Diagnostic Accuracy of Placental Growth Factor in Women With Suspected Preeclampsia

2013 334 citations Paul T. Seed, Jenny Myers et al. profile →
The incidence, characteristics and outcomes of pregnant women hospitalized with symptomatic and asymptomatic SARS-CoV-2 infection in the UK from March to September 2020: A national cohort study using the UK Obstetric Surveillance System (UKOSS)

2021 123 citations Nicola Vousden, Kathryn Bunch et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Nigel Simpson United Kingdom	31	2.5k	1.9k	1.1k	559	429	97	3.8k
Maged M. Costantine United States	33	2.5k 1.0×	2.2k 1.2×	1.2k 1.1×	495 0.9×	513 1.2×	202	4.3k
Eyal Schiff Israel	40	2.6k 1.0×	2.5k 1.3×	1.5k 1.4×	400 0.7×	616 1.4×	166	5.0k
Robyn A. North New Zealand	36	3.0k 1.2×	2.6k 1.4×	736 0.7×	619 1.1×	388 0.9×	88	4.5k
Annette Briley United Kingdom	32	3.2k 1.3×	2.5k 1.3×	1.3k 1.1×	343 0.6×	487 1.1×	113	4.4k
Camille E. Powe United States	30	3.0k 1.2×	2.1k 1.1×	672 0.6×	603 1.1×	359 0.8×	96	5.2k
Eran Hadar Israel	28	3.3k 1.4×	1.9k 1.0×	822 0.7×	286 0.5×	683 1.6×	206	4.8k
Edmund F. Funai United States	39	2.9k 1.2×	2.3k 1.2×	1.1k 1.0×	627 1.1×	914 2.1×	118	4.8k
Jenny Myers United Kingdom	34	3.2k 1.3×	2.6k 1.4×	634 0.6×	675 1.2×	285 0.7×	169	4.5k
Nuri Danışman Türkiye	28	1.6k 0.6×	1.2k 0.6×	1.0k 0.9×	271 0.5×	348 0.8×	205	2.7k
Jean‐Marie Moutquin Canada	26	3.9k 1.6×	3.3k 1.7×	1.0k 0.9×	529 0.9×	619 1.4×	74	5.1k

Countries citing papers authored by Nigel Simpson

Since Specialization

Citations

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

Fields of papers citing papers by Nigel Simpson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Nigel Simpson

This figure shows the co-authorship network connecting the top 25 collaborators of Nigel Simpson. A scholar is included among the top collaborators of Nigel Simpson 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 Nigel Simpson. Nigel Simpson is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Hall, Megan, Angharad Care, Laura Goodfellow, et al.. (2025). Care of Women With Preterm Prelabour Rupture of the Membranes Prior to 24 ⁺⁰ Weeks of Gestation. BJOG An International Journal of Obstetrics & Gynaecology. 132(11). e162–e174.

Engjom, Hilde, Rema Ramakrishnan, Nicola Vousden, et al.. (2024). Perinatal outcomes after admission with COVID-19 in pregnancy: a UK national cohort study. Nature Communications. 15(1). 3234–3234. 8 indexed citations

Morton, Victoria Hodgetts, Catherine A Moakes, Jane Daniels, et al.. (2024). Cerclage suture type to prevent pregnancy loss in women requiring a vaginal cervical cerclage: the C-STICH RCT. Health Technology Assessment. 28(40). 1–44. 1 indexed citations

Murphy, Helen R., et al.. (2024). Pregnancy outcomes in type 2 diabetes: a systematic review and meta-analysis. American Journal of Obstetrics and Gynecology. 232(4). 354–366. 8 indexed citations

Smith, Lucy, Carolyn Chiswick, Nigel Simpson, et al.. (2024). Understanding care-seeking and subsequent pregnancy loss in the second trimester of pregnancy − A multicentre audit. European Journal of Obstetrics & Gynecology and Reproductive Biology. 305. 11–16. 1 indexed citations

Vousden, Nicola, Rema Ramakrishnan, Kathryn Bunch, et al.. (2022). Severity of maternal infection and perinatal outcomes during periods of SARS-CoV-2 wildtype, alpha, and delta variant dominance in the UK: prospective cohort study. SHILAP Revista de lepidopterología. 1(1). e000053–e000053. 53 indexed citations

Engjom, Hilde, Rema Ramakrishnan, Nicola Vousden, et al.. (2022). Severity of maternal SARS-CoV-2 infection and perinatal outcomes of women admitted to hospital during the omicron variant dominant period using UK Obstetric Surveillance System data: prospective, national cohort study. SHILAP Revista de lepidopterología. 1(1). e000190–e000190. 21 indexed citations

Miall, Lawrence, et al.. (2022). Progesterone as a Neuroprotective Agent in Neonatal Hypoxic-Ischaemic Encephalopathy: A Systematic Review. Developmental Neuroscience. 45(2). 76–93. 2 indexed citations

Robson, Stephen C., Catherine McParlin, Helen Mossop, et al.. (2021). Ondansetron and metoclopramide as second-line antiemetics in women with nausea and vomiting in pregnancy: the EMPOWER pilot factorial RCT. Health Technology Assessment. 25(63). 1–116. 3 indexed citations

10.

Morley, Lara, Marjolaine Debant, James J. Walker, David J. Beech, & Nigel Simpson. (2021). Placental blood flow sensing and regulation in fetal growth restriction. Placenta. 113. 23–28. 27 indexed citations

11.

Shennan, Andrew, Manju Chandiramani, Phillip R. Bennett, et al.. (2020). MAVRIC: A Multicenter Randomized Controlled Trial of Transabdominal vs Transvaginal Cervical Cerclage. Obstetrical & Gynecological Survey. 75(7). 392–394. 17 indexed citations

12.

Story, Lisa, Nigel Simpson, Anna L. David, et al.. (2019). Reducing the impact of preterm birth: Preterm birth commissioning in the United Kingdom. European Journal of Obstetrics & Gynecology and Reproductive Biology X. 3. 100018–100018. 12 indexed citations

13.

McCarthy, Fergus P., Ali S. Khashan, Jenny Myers, et al.. (2016). Compliance with National Institute of Health and Care Excellence risk-based screening for Gestational Diabetes Mellitus in nulliparous women. European Journal of Obstetrics & Gynecology and Reproductive Biology. 199. 60–65. 15 indexed citations

14.

Myers, Jenny, Grégoire Thomas, Robin Tuytten, et al.. (2014). Mid-Trimester Maternal ADAM12 Levels Differ According to Fetal Gender in Pregnancies Complicated by Preeclampsia. Reproductive Sciences. 22(2). 235–241. 13 indexed citations

15.

North, R A, Louise C. Kenny, Lesley McCowan, et al.. (2012). Prediction of the preterm preeclampsia in a prospective cohort of nulliparous women. PubMed Central. 1 indexed citations

16.

Lucock, Mark, et al.. (2012). Solar cycle predicts folate-sensitive neonatal genotypes at discrete phases of the first trimester of pregnancy: A novel folate-related human embryo loss hypothesis. Medical Hypotheses. 79(2). 210–215. 15 indexed citations

17.

Waterman, Mitch, et al.. (2011). Reliability and component structure of the modified Daily Symptom Report (DSR-20). Journal of Affective Disorders. 136(3). 612–619. 4 indexed citations

18.

Boylan, Sinéad, Janet Cade, Sara Kirk, et al.. (2008). Assessing caffeine exposure in pregnant women. British Journal Of Nutrition. 100(4). 875–882. 33 indexed citations

19.

Orsi, Nicolas M., Nadia Gopichandran, & Nigel Simpson. (2007). Genetics of preterm labour. Best Practice & Research Clinical Obstetrics & Gynaecology. 21(5). 757–772. 5 indexed citations

20.

Howell, Gareth, Shane P. Herbert, Jennifer M. Smith, et al.. (2004). Endothelial cell confluence regulates Weibel-Palade body formation. Molecular Membrane Biology. 21(6). 413–421. 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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