Nigel Simpson

6.6k citations

97 papers · 3.8k indexed · 3 hit papers · h-index 31

Impact in

Obstetrics and Gynecology top 0.1%
- Pregnancy and preeclampsia studies
- COVID-19 Impact on Reproduction
- Gestational Diabetes Research and Management
Pediatrics, Perinatology and Child Health top 0.5%
- Birth, Development, and Health
- Maternal and fetal healthcare

Papers in ⓘ

Obstetrics and Gynecology 57
- Pregnancy and preeclampsia studies 37
- Gestational Diabetes Research and Management 19
- Maternal and Perinatal Health Interventions 10
Pediatrics, Perinatology and Child Health 53
- Birth, Development, and Health 24
- Maternal and fetal healthcare 18

Co-authors: Marian Knight (7 shared papers)Chris Gale (7 shared papers)Peter Brocklehurst (9 shared papers)Maria Quigley (6 shared papers)Kathryn Bunch (6 shared papers)Jennifer J. Kurinczuk (6 shared papers)Nicola Vousden (6 shared papers)Patrick O’Brien (4 shared papers)
Journals: PLoS ONE (6 papers)European Journal of Obstetrics & Gynecology and Reproductive Biology (6 papers)British Journal Of Nutrition (3 papers)American Journal of Obstetrics and Gynecology (3 papers)Obstetrical & Gynecological Survey (3 papers)
Partner nations: United Kingdom Australia Ireland

In The Last Decade

Nigel Simpson

94 papers receiving 3.7k citations

Hit Papers

align trajectories log scale

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

Peers

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-authors

The 25 scholars most cited alongside Nigel Simpson, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Nigel Simpson Line = papers co-authored together Nigel Simpson links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 97 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Characteristics and outcomes of pregnant women admitted to hospital with confirmed SARS-CoV-2 infection in UK: national population based cohort study BMJ ·Marian Knight, Kathryn Bunch, Nicola Vousden, Edward Morris, Nigel Simpson, Chris Gale, Patrick O’Brien, Maria Quigley, Peter Brocklehurst, Jennifer J. Kurinczuk Hit paper breakdown →	2020	705
2	Diagnostic Accuracy of Placental Growth Factor in Women With Suspected Preeclampsia Circulation ·Lucy C. Chappell, Suzy Duckworth, Paul T. Seed, Melanie Griffin, Jenny Myers, Lucy Mackillop, Nigel Simpson, Jason Waugh, Dilly Anumba, Louise C. Kenny, Christopher W.G. Redman, Andrew Shennan Hit paper breakdown →	2013	334
3	Placental growth factor testing to assess women with suspected pre-eclampsia: a multicentre, pragmatic, stepped-wedge cluster-randomised controlled trial The Lancet ·Kate Duhig, Jenny Myers, Paul T. Seed, Jenie Sparkes, Jessica Lowe, Rachael Hunter, Andrew Shennan, Lucy C. Chappell, Rachna Bahl, Gabrielle Bambridge, Sonia Barnfield, Jo Ficquet, Carolyn Gill, Joanna Girling, Kate Harding, Asma Khalil, Andrew Sharp, Nigel Simpson, Derek Tuffnell	2019	203
4	Early Pregnancy Prediction of Preeclampsia in Nulliparous Women, Combining Clinical Risk and Biomarkers Hypertension ·Louise C. Kenny, Michael A. Black, Lucilla Poston, Rennae S. Taylor, Jenny Myers, Philip N. Baker, Lesley McCowan, Nigel Simpson, Gus Dekker, Claire T. Roberts, Kelline Rodems, B.W. Noland, Michael Raymundo, James J. Walker, Robyn A. North	2014	180
5	Maternal alcohol intake prior to and during pregnancy and risk of adverse birth outcomes: evidence from a British cohort Journal of Epidemiology & Community Health ·Camilla Nykjaer, Nisreen A Alwan, Darren C. Greenwood, Nigel Simpson, Alastair Hay, Kay White, Janet Cade	2014	169
6	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) PLoS ONE ·Nicola Vousden, Kathryn Bunch, Edward P. Morris, Nigel Simpson, Chris Gale, Patrick O’Brien, Maria Quigley, Peter Brocklehurst, Jennifer J. Kurinczuk, Marian Knight Hit paper breakdown →	2021	123
7	Thromboelastography Identifies Sex-Related Differences in Coagulation Anesthesia & Analgesia ·H. Gorton, Elisa R. Warren, Nigel Simpson, G. R. Lyons, Malachy O. Columb	2000	96
8	Risk Factors for Preterm Birth in an International Prospective Cohort of Nulliparous Women PLoS ONE ·Gustaaf Dekker, Shalem Y. Lee, Robyn A. North, Lesley McCowan, Nigel Simpson, Claire T. Roberts	2012	94
9	The management of pregnancy in paroxysmal nocturnal haemoglobinuria on long term eculizumab British Journal of Haematology ·Richard Kelly, Louise Arnold, Stephen J. Richards, Anita Hill, Charlotte Bomken, John Hanley, Andrew Loughney, Jon Beauchamp, Gus Khursigara, Russell P. Rother, Elizabeth Chalmers, Andrew Fyfe, Edward J. Fitzsimons, Ryotaro Nakamura, Anna Gayà, Antonio M. Risitano, Jörg Schubert, D. R. Norfolk, Nigel Simpson, Peter Hillmen	2010	86
10	An investigation into the association among preterm birth, cytokine gene polymorphisms and periodontal disease BJOG An International Journal of Obstetrics & Gynaecology ·Sophie E. Moore, MF Ide, Manjit Randhawa, James J. Walker, Jan Reid, Nigel Simpson	2004	85
11	Maternal iron status in early pregnancy and birth outcomes: insights from the Baby's Vascular health and Iron in Pregnancy study British Journal Of Nutrition ·Nisreen A Alwan, Janet Cade, Harry J McArdle, Darren C. Greenwood, Helen E. Hayes, Nigel Simpson	2015	78
12	Maternal marijuana use has independent effects on risk for spontaneous preterm birth but not other common late pregnancy complications Reproductive Toxicology ·Shalem Leemaqz, Gustaaf Dekker, Lesley McCowan, Louise C. Kenny, Jenny Myers, Nigel Simpson, Lucilla Poston, Claire T. Roberts	2016	73
13	The Carriage of Pro‐Inflammatory Cytokine Gene Polymorphisms in Recurrent Pregnancy Loss American Journal of Reproductive Immunology ·Julie Reid, Nigel Simpson, Robert G. Walker, OLGA ECONOMIDOU, Jayne Shillito, Sean Duffy, James J. Walker, H.C. Gooi	2001	72
14	MAVRIC: a multicenter randomized controlled trial of transabdominal vs transvaginal cervical cerclage American Journal of Obstetrics and Gynecology ·Andrew Shennan, Manju Chandiramani, Phillip R. Bennett, Anna L. David, Joanna Girling, Alexandra Ridout, Paul T. Seed, Nigel Simpson, Steven Thornton, Graham Tydeman, Siobhan Quenby, Jenny Carter	2019	70
15	The structure and function of the cervix during pregnancy Translational Research in Anatomy ·James Nott, Elizabeth A. Bonney, James D. Pickering, Nigel Simpson	2016	64
16	The Efficacy of Hypericum perforatum (St Johnʼs Wort) for the Treatment of Premenstrual Syndrome CNS Drugs ·Sarah Canning, Mitch Waterman, Nicolas M. Orsi, Julie Ayres, Nigel Simpson, Louise Dye	2010	62
17	Diagnosis of low‐lying placenta: can migration in the third trimester predict outcome? Ultrasound in Obstetrics and Gynecology ·Lawrence Oppenheimer, Paul Holmes, Nigel Simpson, A. Dabrowski	2001	58
18	Dietary iron intake during early pregnancy and birth outcomes in a cohort of British women Human Reproduction ·Nisreen A Alwan, Darren C. Greenwood, Nigel Simpson, H. J. McArdle, Keith M. Godfrey, Janet Cade	2011	56
19	Caffeine intake during pregnancy, late miscarriage and stillbirth European Journal of Epidemiology ·Darren C. Greenwood, Nisreen A Alwan, Sinéad Boylan, Janet Cade, J. Charvill, Karen C. Chipps, Marcus S. Cooke, Vivien A. Dolby, Alastair Hay, S. Kassam, Sara Kirk, Justin C. Konje, Neelam Potdar, Susan Shires, Nigel Simpson, N. Taub, James D. Thomas, James J. Walker, Kay White, Christopher P. Wild	2010	55
20	The haematological features and transfusion management of women who required massive transfusion for major obstetric haemorrhage in the UK: a population based study British Journal of Haematology ·Laura Green, Marian Knight, Frances Seeney, Cathy Hopkinson, Peter W. Collins, Rachel Collis, Nigel Simpson, Andrew Weeks, Simon Stanworth	2015	55

About Nigel Simpson

Nigel Simpson is a scholar working on Obstetrics and Gynecology, Pediatrics, Perinatology and Child Health, Public Health, Environmental and Occupational Health, Rheumatology and Hematology, having authored 97 papers that have together received 3.8k indexed citations. Recurring topics across this work include Pregnancy and preeclampsia studies (37 papers), Birth, Development, and Health (24 papers), Gestational Diabetes Research and Management (19 papers), Preterm Birth and Chorioamnionitis (19 papers), Maternal and fetal healthcare (18 papers), Pregnancy-related medical research (11 papers), Maternal and Perinatal Health Interventions (10 papers) and Neonatal Respiratory Health Research (8 papers). The work is most often cited by research in Obstetrics and Gynecology (2.5k citations), Pediatrics, Perinatology and Child Health (1.9k citations), Public Health, Environmental and Occupational Health (1.1k citations), Immunology (559 citations) and Critical Care and Intensive Care Medicine (109 citations). Nigel Simpson has collaborated with scholars based in United Kingdom, Australia and Ireland. Frequent co-authors include Marian Knight, Chris Gale, Peter Brocklehurst, Maria Quigley, Kathryn Bunch, Jennifer J. Kurinczuk, Nicola Vousden, Patrick O’Brien, James J. Walker and Jenny Myers. Their work appears in journals such as PLoS ONE, European Journal of Obstetrics & Gynecology and Reproductive Biology, British Journal Of Nutrition, American Journal of Obstetrics and Gynecology and Obstetrical & Gynecological Survey.

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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