Øjvind Lidegaard

2.9k total citations · 1 hit paper
59 papers, 1.9k citations indexed

About

Øjvind Lidegaard is a scholar working on Public Health, Environmental and Occupational Health, Pediatrics, Perinatology and Child Health and Obstetrics and Gynecology. According to data from OpenAlex, Øjvind Lidegaard has authored 59 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Public Health, Environmental and Occupational Health, 20 papers in Pediatrics, Perinatology and Child Health and 17 papers in Obstetrics and Gynecology. Recurrent topics in Øjvind Lidegaard's work include Reproductive Health and Contraception (15 papers), Maternal and Perinatal Health Interventions (8 papers) and Assisted Reproductive Technology and Twin Pregnancy (7 papers). Øjvind Lidegaard is often cited by papers focused on Reproductive Health and Contraception (15 papers), Maternal and Perinatal Health Interventions (8 papers) and Assisted Reproductive Technology and Twin Pregnancy (7 papers). Øjvind Lidegaard collaborates with scholars based in Denmark, Italy and Lebanon. Øjvind Lidegaard's co-authors include Ellen Løkkegaard, Carsten Agger, A. L. Svendsen, Anders Nyboe Andersen, Svend Kreiner, Anja Pinborg, Nina la Cour Freiesleben, Bent Ottesen, Geert Schou and Susanne K. Kjær and has published in prestigious journals such as The Lancet, European Heart Journal and BMJ.

In The Last Decade

Øjvind Lidegaard

56 papers receiving 1.8k 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.

Hormonal contraception and risk of venous thromboembolism: national follow-up study

2009 442 citations Øjvind Lidegaard et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Øjvind Lidegaard Denmark	19	911	566	498	314	276	59	1.9k
FM Helmerhorst Netherlands	24	624 0.7×	316 0.6×	596 1.2×	224 0.7×	649 2.4×	41	1.9k
D Yeates United Kingdom	24	594 0.7×	219 0.4×	563 1.1×	376 1.2×	112 0.4×	37	2.2k
Mette Gislum Denmark	28	351 0.4×	212 0.4×	70 0.1×	174 0.6×	181 0.7×	40	2.1k
D. L. Economides United Kingdom	30	343 0.4×	1.9k 3.3×	128 0.3×	976 3.1×	304 1.1×	68	2.8k
Gus Dekker Australia	29	713 0.8×	2.4k 4.2×	114 0.2×	3.0k 9.4×	191 0.7×	66	3.8k
G. C. M. L. Christiaens Netherlands	25	331 0.4×	821 1.5×	199 0.4×	353 1.1×	362 1.3×	61	1.7k
Terry McCarthy Singapore	14	328 0.4×	155 0.3×	121 0.2×	135 0.4×	50 0.2×	41	848
P.E. Treffers Netherlands	26	294 0.3×	906 1.6×	81 0.2×	633 2.0×	181 0.7×	73	1.7k
Joseph A. Spinnato United States	28	485 0.5×	796 1.4×	72 0.1×	910 2.9×	312 1.1×	72	2.1k
Alex J. Crandon Australia	24	332 0.4×	153 0.3×	622 1.2×	579 1.8×	83 0.3×	50	1.6k

Countries citing papers authored by Øjvind Lidegaard

Since Specialization

Citations

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

Fields of papers citing papers by Øjvind Lidegaard

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Øjvind Lidegaard

This figure shows the co-authorship network connecting the top 25 collaborators of Øjvind Lidegaard. A scholar is included among the top collaborators of Øjvind Lidegaard 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 Øjvind Lidegaard. Øjvind Lidegaard 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

Larsen, Søren Vinther, Brice Ozenne, Anders Pretzmann Mikkelsen, et al.. (2025). Postpartum Hormonal Contraceptive Use and Risk of Depression. JAMA Network Open. 8(3). e252474–e252474.

Larsen, Søren Vinther, Anders Pretzmann Mikkelsen, Kathrine Bang Madsen, et al.. (2025). Postpartum hormonal contraceptive use in Denmark during 1997–2021. Sexual & Reproductive Healthcare. 43. 101075–101075. 1 indexed citations

Steinberg, Julia R., Thomas Munk Laursen, Øjvind Lidegaard, & Trine Munk‐Olsen. (2024). Medication and procedural abortions before 13 weeks gestation and risk of psychiatric disorders. American Journal of Obstetrics and Gynecology. 231(4). 437.e1–437.e18. 1 indexed citations

Meaidi, Amani, Annamaria Mascolo, Maurizio Sessa, et al.. (2023). Venous thromboembolism with use of hormonal contraception and non-steroidal anti-inflammatory drugs: nationwide cohort study. BMJ. 382. e074450–e074450. 11 indexed citations

Mikkelsen, Anders Pretzmann, Pia Egerup, Astrid Marie Kolte, et al.. (2023). Pregnancy Loss and the Risk of Myocardial Infarction, Stroke, and All‐Cause Mortality: A Nationwide Partner Comparison Cohort Study. Journal of the American Heart Association. 12(15). e028620–e028620. 4 indexed citations

Mellemkjær, Lene, et al.. (2021). Cancer in pregnancy and the risk of adverse pregnancy and neonatal outcomes: A nationwide cohort study. BJOG An International Journal of Obstetrics & Gynaecology. 129(9). 1492–1502. 18 indexed citations

Lidegaard, Øjvind, Lone Krebs, Olav Bjørn Petersen, Peter Damm, & Ann Tabor. (2020). Are the Danish stillbirth rates still record low? A nationwide ecological study. BMJ Open. 10(12). e040716–e040716. 3 indexed citations

Iversen, Lisa, Shona Fielding, Øjvind Lidegaard, & Philip C Hannaford. (2020). Contemporary hormonal contraception and risk of endometrial cancer in women younger than age 50: A retrospective cohort study of Danish women. Contraception. 102(3). 152–158. 12 indexed citations

Meaidi, Amani, Regitze Kuhr Skals, Thomas Alexander Gerds, Øjvind Lidegaard, & Christian Torp‐Pedersen. (2020). Decline in Danish use of oral tranexamic acid with increasing use of the levonorgestrel-releasing intrauterine system: a nationwide drug utilization study. Contraception. 101(5). 321–326. 5 indexed citations

10.

Meaidi, Amani, Sarah Friedrich, & Øjvind Lidegaard. (2020). Risk of surgical evacuation and risk of major surgery following second-trimester medical abortion in Denmark: A nationwide cohort study. Contraception. 102(3). 201–206. 3 indexed citations

11.

Meaidi, Amani, Sarah Friedrich, Thomas Alexander Gerds, & Øjvind Lidegaard. (2019). Risk factors for surgical intervention of early medical abortion. American Journal of Obstetrics and Gynecology. 220(5). 478.e1–478.e15. 8 indexed citations

12.

Henningsen, Anna-Karina Aaris, M.L. Haadsma, J. A. Land, et al.. (2015). Follicle pool, ovarian surgery and the risk for a subsequent trisomic pregnancy. Human Reproduction. 30(3). 717–722. 5 indexed citations

13.

Thomsen, Sten Grove, Lars Franch Andersen, Lene Lundvall, et al.. (2009). Success and spontaneous pregnancy rates following systemic methotrexate versus laparoscopic surgery for tubal pregnancies: A randomized trial. Acta Obstetricia Et Gynecologica Scandinavica. 88(12). 1331–1337. 38 indexed citations

14.

Pinborg, Anja, Øjvind Lidegaard, Nina la Cour Freiesleben, & Anders Nyboe Andersen. (2005). Consequences of vanishing twins in IVF/ICSI pregnancies. Human Reproduction. 20(10). 2821–2829. 224 indexed citations

15.

Lidegaard, Øjvind, et al.. (2000). Risk factors among young women with endometrial cancer: A Danish case-control study. American Journal of Obstetrics and Gynecology. 182(1). 23–29. 97 indexed citations

16.

Mosgaard, Berit Jul, Øjvind Lidegaard, Susanne K. Kjær, Geert Schou, & Anders Nyboe Andersen. (1998). Ovarian stimulation and borderline ovarian tumors: a case-control study. Fertility and Sterility. 70(6). 1049–1055. 60 indexed citations

17.

Pedersen, Anette Tønnes, Øjvind Lidegaard, Svend Kreiner, & Bent Ottesen. (1997). Hormone replacement therapy and risk of non-fatal stroke. The Lancet. 350(9087). 1277–1283. 107 indexed citations

18.

Mosgaard, Berit Jul, Øjvind Lidegaard, Susanne K. Kjær, Geert Schou, & Anders Nyboe Andersen. (1997). Infertility, fertility drugs, and invasive ovarian cancer: a case-control study. Fertility and Sterility. 67(6). 1005–1012. 133 indexed citations

19.

Lidegaard, Øjvind & Peter J. Helm. (1990). Pelvic inflammatory disease: The influence of contraceptive, sexual, and social life events. Contraception. 41(5). 475–483. 14 indexed citations

20.

Trap, Rete, et al.. (1989). Premature Rupture of the Fetal Membranes, the Phases of the Moon and Barometer Readings. Gynecologic and Obstetric Investigation. 28(1). 14–18. 23 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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