Thorir Hardarson

5.3k total citations · 1 hit paper
40 papers, 3.6k citations indexed

About

Thorir Hardarson is a scholar working on Public Health, Environmental and Occupational Health, Pediatrics, Perinatology and Child Health and Reproductive Medicine. According to data from OpenAlex, Thorir Hardarson has authored 40 papers receiving a total of 3.6k indexed citations (citations by other indexed papers that have themselves been cited), including 28 papers in Public Health, Environmental and Occupational Health, 23 papers in Pediatrics, Perinatology and Child Health and 12 papers in Reproductive Medicine. Recurrent topics in Thorir Hardarson's work include Reproductive Biology and Fertility (28 papers), Assisted Reproductive Technology and Twin Pregnancy (18 papers) and Prenatal Screening and Diagnostics (11 papers). Thorir Hardarson is often cited by papers focused on Reproductive Biology and Fertility (28 papers), Assisted Reproductive Technology and Twin Pregnancy (18 papers) and Prenatal Screening and Diagnostics (11 papers). Thorir Hardarson collaborates with scholars based in Sweden, United States and Australia. Thorir Hardarson's co-authors include Kersti Lundin, Matts Wikland, Aisling Ahlström, Cecília Buzatto Westin, Christina Bergh, Thomas Ebner, Başak Balaban, L. Scott, Daniel R. Brison and James Catt and has published in prestigious journals such as Journal of Applied Physiology, Human Reproduction and Fertility and Sterility.

In The Last Decade

Thorir Hardarson

39 papers receiving 3.5k 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.

The Istanbul consensus workshop on embryo assessment: proceedings of an expert meeting

2011 1.4k citations Thorir Hardarson, Kersti Lundin et al. Human Reproduction profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Thorir Hardarson Sweden	22	2.9k	2.0k	2.0k	886	339	40	3.6k
E. Van den Abbeel Belgium	35	3.5k 1.2×	2.1k 1.0×	2.9k 1.4×	880 1.0×	397 1.2×	86	4.4k
Başak Balaban Türkiye	37	4.0k 1.4×	2.2k 1.1×	3.5k 1.7×	1.1k 1.2×	566 1.7×	101	5.2k
Terry Schlenker United States	12	2.7k 0.9×	1.9k 0.9×	2.1k 1.0×	614 0.7×	408 1.2×	25	3.4k
Michelle Lane United States	16	2.4k 0.8×	1.5k 0.7×	1.5k 0.8×	744 0.8×	274 0.8×	28	2.8k
Yacoub Khalaf United Kingdom	28	1.4k 0.5×	874 0.4×	1.8k 0.9×	386 0.4×	335 1.0×	67	2.7k
M. Cristina Magli Italy	26	3.0k 1.0×	2.5k 1.2×	2.1k 1.1×	966 1.1×	290 0.9×	60	4.4k
María José de los Santos Spain	26	1.6k 0.5×	762 0.4×	1.3k 0.6×	453 0.5×	401 1.2×	75	2.2k
Dor J Israel	21	1.4k 0.5×	477 0.2×	1.3k 0.6×	325 0.4×	120 0.4×	74	1.9k
Jacob Mayer United States	24	1.1k 0.4×	632 0.3×	1.1k 0.5×	392 0.4×	161 0.5×	43	1.6k
Bruce A. Sandow United States	19	1.1k 0.4×	494 0.2×	1.1k 0.5×	175 0.2×	275 0.8×	24	1.6k

Countries citing papers authored by Thorir Hardarson

Since Specialization

Citations

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

Fields of papers citing papers by Thorir Hardarson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Thorir Hardarson

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

Ahlström, Aisling, Jørgen Berntsen, Christina Bergh, et al.. (2023). Correlations between a deep learning-based algorithm for embryo evaluation with cleavage-stage cell numbers and fragmentation. Reproductive BioMedicine Online. 47(6). 103408–103408. 12 indexed citations

Ahlström, Aisling, et al.. (2023). P-134 An artificial intelligence method based on time-lapse images and deep learning may predict if a day2/3 embryo will form a utilizable blastocyst. Human Reproduction. 38(Supplement_1). 1 indexed citations

Hanson, Charles, et al.. (2017). Transplanting embryonic stem cells onto damaged human corneal endothelium. World Journal of Stem Cells. 9(8). 127–127. 13 indexed citations

Vergouw, C.G., Martijn W. Heymans, Thorir Hardarson, et al.. (2014). No evidence that embryo selection by near-infrared spectroscopy in addition to morphology is able to improve live birth rates: results from an individual patient data meta-analysis. Human Reproduction. 29(3). 455–461. 32 indexed citations

Ahlström, Aisling, Cecília Buzatto Westin, Matts Wikland, & Thorir Hardarson. (2013). Prediction of live birth in frozen-thawed single blastocyst transfer cycles by pre-freeze and post-thaw morphology. Human Reproduction. 28(5). 1199–1209. 85 indexed citations

Hanson, Charles, Thorir Hardarson, Catharina Ellerström, et al.. (2012). Transplantation of human embryonic stem cells onto a partially wounded human cornea in vitro. Acta Ophthalmologica. 91(2). 127–130. 39 indexed citations

Hardarson, Thorir, L. Van Landuyt, & Gayle M Jones. (2012). The blastocyst. Human Reproduction. 27(suppl 1). i72–i91. 60 indexed citations

Wikland, Matts, Thorir Hardarson, T. Hillensjö, et al.. (2010). Obstetric outcomes after transfer of vitrified blastocysts. Human Reproduction. 25(7). 1699–1707. 125 indexed citations

Seli, Emre, Can Bruce, L. Botros, et al.. (2010). Receiver operating characteristic (ROC) analysis of day 5 morphology grading and metabolomic Viability Score on predicting implantation outcome. Journal of Assisted Reproduction and Genetics. 28(2). 137–144. 52 indexed citations

10.

Hanson, Charles, Thorir Hardarson, Kersti Lundin, et al.. (2009). Re-analysis of 166 embryos not transferred after PGS with advanced reproductive maternal age as indication. Human Reproduction. 24(11). 2960–2964. 10 indexed citations

11.

Hardarson, Thorir, Charles Hanson, Kersti Lundin, et al.. (2008). Preimplantation genetic screening in women of advanced maternal age caused a decrease in clinical pregnancy rate: a randomized controlled trial. Human Reproduction. 23(12). 2806–2812. 171 indexed citations

12.

Hamberger, Lars, Johan Hazekamp, & Thorir Hardarson. (2007). Anonymous and non-anonymous gamete and embryo donations: pros and cons. Reproductive BioMedicine Online. 14. 50–53. 3 indexed citations

13.

Hardarson, Thorir, Jon Hausken, Barbara Jablonowska, et al.. (2005). Predictors of ongoing implantation in IVF in a good prognosis group of patients. Human Reproduction. 20(7). 1876–1880. 42 indexed citations

14.

Sjögren, Anita, Thorir Hardarson, Katarina Andersson, et al.. (2004). Human blastocysts for the development of embryonic stem cells. Reproductive BioMedicine Online. 9(3). 326–329. 18 indexed citations

15.

Hardarson, Thorir, Charles Hanson, Margareta Claesson, & Ulf Stenevi. (2004). Time‐lapse recordings of human corneal epithelial healing. Acta Ophthalmologica Scandinavica. 82(2). 184–188. 13 indexed citations

16.

Hardarson, Thorir. (2003). A morphological and chromosomal study of blastocysts developing from morphologically suboptimal human pre-embryos compared with control blastocysts. Human Reproduction. 18(2). 399–407. 80 indexed citations

17.

Hardarson, Thorir, Kersti Lundin, & Charles Hanson. (2002). A human oocyte with two sets of MII/PB-structures: Case report. Human Reproduction. 17(7). 1892–1894. 5 indexed citations

18.

Hardarson, Thorir, Carl O. Löfman, Graham D. Coull, et al.. (2002). Internalization of cellular fragments in a human embryo: time-lapse recordings. Reproductive BioMedicine Online. 5(1). 36–38. 64 indexed citations

19.

Lundin, Kersti, Christina Bergh, & Thorir Hardarson. (2001). Early embryo cleavage is a strong indicator of embryo quality in human IVF. Human Reproduction. 16(12). 2652–2657. 236 indexed citations

20.

Hardarson, Thorir, Kersti Lundin, & Lars Hamberger. (2000). The position of the metaphase II spindle cannot be predicted by the location of the first polar body in the human oocyte. Human Reproduction. 15(6). 1372–1376. 69 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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