Kari Klungsøyr

13.4k total citations · 1 hit paper
156 papers, 5.2k citations indexed

About

Kari Klungsøyr is a scholar working on Pediatrics, Perinatology and Child Health, Obstetrics and Gynecology and Public Health, Environmental and Occupational Health. According to data from OpenAlex, Kari Klungsøyr has authored 156 papers receiving a total of 5.2k indexed citations (citations by other indexed papers that have themselves been cited), including 102 papers in Pediatrics, Perinatology and Child Health, 87 papers in Obstetrics and Gynecology and 36 papers in Public Health, Environmental and Occupational Health. Recurrent topics in Kari Klungsøyr's work include Pregnancy and preeclampsia studies (57 papers), Birth, Development, and Health (42 papers) and Gestational Diabetes Research and Management (29 papers). Kari Klungsøyr is often cited by papers focused on Pregnancy and preeclampsia studies (57 papers), Birth, Development, and Health (42 papers) and Gestational Diabetes Research and Management (29 papers). Kari Klungsøyr collaborates with scholars based in Norway, Denmark and Sweden. Kari Klungsøyr's co-authors include Rolv Skjærven, Jan Haavik, Anne Halmøy, Anders Engeland, Per Magnus, Dan J. Stein, Rolv Skjærven, Kjell Haug, Elin R. Alsaker and Anne Kjersti Daltveit and has published in prestigious journals such as Journal of the American College of Cardiology, PLoS ONE and Annals of Neurology.

In The Last Decade

Kari Klungsøyr

146 papers receiving 5.1k citations

Hit Papers

Self‐selection and bias i... 2009 2026 2014 2020 2009 200 400 600
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. Self‐selection and bias in a large prospective pregnancy cohort in Norway
    2009 692 citations Dan J. Stein, Rolv Skjærven et al. Paediatric and Perinatal Epidemiology profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Kari Klungsøyr Norway 41 2.6k 2.4k 1.6k 848 461 156 5.2k
Darios Getahun United States 42 2.2k 0.8× 2.4k 1.0× 1.5k 1.0× 349 0.4× 542 1.2× 191 6.0k
Ali S. Khashan Ireland 42 2.5k 0.9× 2.3k 1.0× 1.9k 1.2× 389 0.5× 640 1.4× 165 5.1k
Bodil Hammer Bech Denmark 41 2.2k 0.8× 1.5k 0.6× 1.5k 1.0× 416 0.5× 471 1.0× 219 5.7k
Anne Kjersti Daltveit Norway 45 3.1k 1.2× 2.2k 0.9× 2.2k 1.4× 622 0.7× 478 1.0× 115 6.7k
Karin Källén Sweden 50 5.0k 1.9× 2.3k 1.0× 2.0k 1.3× 337 0.4× 313 0.7× 239 7.8k
Craig E. Pennell Australia 44 2.1k 0.8× 1.2k 0.5× 1.6k 1.0× 310 0.4× 657 1.4× 195 6.0k
Corrie Macdonald‐Wallis United Kingdom 31 2.4k 0.9× 1.8k 0.7× 1.2k 0.8× 183 0.2× 354 0.8× 54 4.8k
Anna‐Liisa Hartikainen Finland 40 2.1k 0.8× 1.7k 0.7× 1.3k 0.8× 325 0.4× 245 0.5× 90 5.0k
Susan Harlap United States 42 2.1k 0.8× 1.1k 0.5× 1.3k 0.8× 504 0.6× 459 1.0× 151 5.7k
Marian Willinger United States 38 2.4k 0.9× 1.2k 0.5× 636 0.4× 219 0.3× 497 1.1× 82 6.1k

Countries citing papers authored by Kari Klungsøyr

Since Specialization
Citations

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

Fields of papers citing papers by Kari Klungsøyr

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kari Klungsøyr

This figure shows the co-authorship network connecting the top 25 collaborators of Kari Klungsøyr. A scholar is included among the top collaborators of Kari Klungsøyr 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 Kari Klungsøyr. Kari Klungsøyr 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.
Gissler, Mika, Karin Källén, Kari Klungsøyr, et al.. (2025). Timing of Term Births and Associated Mortality Risks: Ecological Analysis Across 28 European Countries. BJOG An International Journal of Obstetrics & Gynaecology. 132(11). 1655–1663.
2.
Igland, Jannicke, et al.. (2024). Incidence trends of adult glioma in Norway and its association with occupation and education: A registry-based cohort study. Cancer Epidemiology. 89. 102524–102524. 6 indexed citations
3.
Thomsen, Liv Cecilie Vestrheim, et al.. (2024). Perinatal death in the Nordic countries in relation to gestational age: The impact of registration practice. Acta Obstetricia Et Gynecologica Scandinavica. 103(12). 2381–2391. 1 indexed citations
4.
Skjærven, Rolv, et al.. (2024). Pregnancy‐Associated Maternal Mortality Within One Year After Childbirth: Population‐Based Cohort Study. BJOG An International Journal of Obstetrics & Gynaecology. 132(3). 365–374.
5.
Skjærven, Rolv, et al.. (2023). Risk of adverse pregnancy outcomes in twin‐ and singleton‐born women: An inter‐generational cohort study. BJOG An International Journal of Obstetrics & Gynaecology. 131(6). 750–758.
6.
Skjærven, Rolv, Quaker E. Harmon, Allen J. Wilcox, et al.. (2023). Birthweight of the subsequent singleton pregnancy following a first twin or singleton pregnancy. Acta Obstetricia Et Gynecologica Scandinavica. 102(12). 1674–1681. 1 indexed citations
7.
Urhøj, Stine Kjær, Joachim Tan, Clara Cavero‐Carbonell, et al.. (2023). The burden of disease for children born alive with Turner syndrome—A European cohort study. Birth Defects Research. 115(16). 1459–1468. 1 indexed citations
8.
Skjærven, Rolv, et al.. (2022). Long‐term cardiovascular mortality in women with twin pregnancies by lifetime reproductive history. Paediatric and Perinatal Epidemiology. 37(1). 19–27. 7 indexed citations
9.
Dolk, Helen, Maria Loane, Karen Casson, et al.. (2021). Macrolide and lincosamide antibiotic exposure in the first trimester of pregnancy and risk of congenital anomaly: A European case-control study. Reproductive Toxicology. 100. 101–108. 12 indexed citations
10.
Roell, Kyle R., Quaker E. Harmon, Kari Klungsøyr, et al.. (2021). Clustering Longitudinal Blood Pressure Trajectories to Examine Heterogeneity in Outcomes Among Preeclampsia Cases and Controls. Hypertension. 77(6). 2034–2044. 8 indexed citations
11.
Posserud, Maj‐Britt, Berit Skretting Solberg, Anders Engeland, Jan Haavik, & Kari Klungsøyr. (2021). Male to female ratios in autism spectrum disorders by age, intellectual disability and attention‐deficit/hyperactivity disorder. Acta Psychiatrica Scandinavica. 144(6). 635–646. 73 indexed citations
12.
Klungsøyr, Kari, Anders Engeland, Anders Ekbom, et al.. (2021). Cancer Risk in Individuals With Major Birth Defects: Large Nordic Population Based Case-Control Study Among Children, Adolescents, and Adults. Obstetrical & Gynecological Survey. 76(4). 191–193. 3 indexed citations
13.
Durox, Mélanie, Rachael Wood, Kari Klungsøyr, et al.. (2021). International versus national growth charts for identifying small and large-for-gestational age newborns: A population-based study in 15 European countries. The Lancet Regional Health - Europe. 8. 100167–100167. 52 indexed citations
14.
Cohen, Jacqueline M., Maarit K. Leinonen, Silje Alvestad, et al.. (2019). Comparative Safety of Antiepileptic Drugs and Risk of Major Congenital Malformations. STM:n Hallinnonalan avoin julkaisuarkisto (Julkari). 1 indexed citations
15.
Given, Joanne, Maria Loane, Ester Garne, et al.. (2018). Metformin exposure in first trimester of pregnancy and risk of all or specific congenital anomalies: exploratory case-control study. BMJ. 361. k2477–k2477. 94 indexed citations
16.
Given, Joanne, Maria Loane, Ester Garne, et al.. (2018). Metformin Exposure in the First Trimester of Pregnancy and Risk of All or Specific Congenital Anomalies: Exploratory Case-Control Study. Obstetrical & Gynecological Survey. 73(11). 619–620. 1 indexed citations
17.
Brodwall, Kristoffer, Gottfried Greve, Elisabeth Leirgul, et al.. (2018). The five‐year survival of children with Down syndrome in Norway 1994–2009 differed by associated congenital heart defects and extracardiac malformations. Acta Paediatrica. 107(5). 845–853. 23 indexed citations
18.
Charlton, Rachel, Kari Klungsøyr, Amanda J. Neville, et al.. (2016). Prescribing of Antidiabetic Medicines before, during and after Pregnancy: A Study in Seven European Regions. PLoS ONE. 11(5). e0155737–e0155737. 92 indexed citations
19.
Jordan, Sue, Joan K. Morris, Gareth Davies, et al.. (2016). Selective Serotonin Reuptake Inhibitor (SSRI) Antidepressants in Pregnancy and Congenital Anomalies: Analysis of Linked Databases in Wales, Norway and Funen, Denmark. PLoS ONE. 11(12). e0165122–e0165122. 50 indexed citations
20.
Garne, Ester, Anne Vinkel Hansen, Joan K. Morris, et al.. (2015). Use of asthma medication during pregnancy and risk of specific congenital anomalies: A European case-malformed control study. Journal of Allergy and Clinical Immunology. 136(6). 1496–1502.e7. 51 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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