Carl Spiessens

2.9k total citations · 1 hit paper
77 papers, 2.1k citations indexed

About

Carl Spiessens is a scholar working on Reproductive Medicine, Public Health, Environmental and Occupational Health and Pediatrics, Perinatology and Child Health. According to data from OpenAlex, Carl Spiessens has authored 77 papers receiving a total of 2.1k indexed citations (citations by other indexed papers that have themselves been cited), including 53 papers in Reproductive Medicine, 39 papers in Public Health, Environmental and Occupational Health and 31 papers in Pediatrics, Perinatology and Child Health. Recurrent topics in Carl Spiessens's work include Reproductive Biology and Fertility (37 papers), Reproductive Health and Technologies (30 papers) and Assisted Reproductive Technology and Twin Pregnancy (30 papers). Carl Spiessens is often cited by papers focused on Reproductive Biology and Fertility (37 papers), Reproductive Health and Technologies (30 papers) and Assisted Reproductive Technology and Twin Pregnancy (30 papers). Carl Spiessens collaborates with scholars based in Belgium, Kenya and Netherlands. Carl Spiessens's co-authors include Thomas D’Hooghe, Christel Meuleman, Sophie Debrock, Steffen Fieuws, D. Timmerman, Dirk Vanderschueren, Karen Peeraer, Diane De Neubourg, Luc Meeuwis and Thomas D’Hooghe and has published in prestigious journals such as Annals of Surgery, American Journal of Obstetrics and Gynecology and Human Reproduction.

In The Last Decade

Carl Spiessens

76 papers receiving 2.0k 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.

High prevalence of endometriosis in infertile women with normal ovulation and normospermic partners

2008 424 citations Christel Meuleman, Carl Spiessens et al. Fertility and Sterility profile →

Peers

Carl Spiessens

PHEOH

PPCH

IMMUN

Srividya Seshadri United Kingdom

Alexander E. Omu Kuwait

Bahia Namavar Jahromi Iran

Laya Farzadi Iran

Majedah Al‐Azemi Kuwait

Masoud Afnan United Kingdom

Catherine Coulson United Kingdom

Manesh Kumar Panner Selvam United States

Volker Briese Germany

Moghissi Ks United States

Srividya Seshadri United Kingdom

Carl Spiessens

1.1k ×0.8

892 ×1.0

PHEOH

521 ×0.7

PPCH

357 ×0.7

411 ×1.6

IMMUN

Citations per year, relative to Carl Spiessens Carl Spiessens (= 1×) peers Srividya Seshadri

Countries citing papers authored by Carl Spiessens

Since Specialization

Citations

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

Fields of papers citing papers by Carl Spiessens

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Carl Spiessens

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

Peeraer, Karen, et al.. (2023). Cumulative pregnancy rates of two strategies: Day 3 fresh embryo transfer followed by Day 3 or Day 5/6 vitrification and embryo transfer: a randomized controlled trial. Human Reproduction. 39(1). 62–73.

Dancet, Eline, Diane De Neubourg, Katleen Van der Gucht, et al.. (2023). A blended preconception lifestyle programme for couples undergoing IVF: lessons learned from a multicentre randomized controlled trial. Human Reproduction Open. 2023(4). 3 indexed citations

Dancet, Eline, et al.. (2023). Belgian Fertility Clinic Staff Value Healthy Lifestyle Promotion but Lack Access to a Structured Lifestyle Modification Programme: An Observational Study. Gynecologic and Obstetric Investigation. 88(5). 278–285. 1 indexed citations

Fong, Sharon Lie, Eline Dancet, Carl Spiessens, et al.. (2022). Evaluation of a stand-alone mobile mindfulness app in people experiencing infertility: the protocol for an exploratory randomised controlled trial (MoMiFer-RCT). BMJ Open. 12(2). e050088–e050088. 2 indexed citations

Peeraer, Karen, et al.. (2020). Predicting the chance on live birth per cycle at each step of the IVF journey: external validation and update of the van Loendersloot multivariable prognostic model. BMJ Open. 10(10). e037289–e037289. 6 indexed citations

Dancet, Eline, Sharon Lie Fong, Karen Peeraer, et al.. (2019). Effectiveness of a mobile preconception lifestyle programme in couples undergoing in vitro fertilisation (IVF): the protocol for the PreLiFe randomised controlled trial (PreLiFe-RCT). BMJ Open. 9(7). e029665–e029665. 16 indexed citations

Peeraer, Karen, Thomas D’Hooghe, Jeroen Trybou, et al.. (2017). A 50% reduction in multiple live birth rate is associated with a 13% cost saving: a real-life retrospective cost analysis. Reproductive BioMedicine Online. 35(3). 279–286. 7 indexed citations

Gallardo, Elia Fernandez, Carl Spiessens, Thomas D’Hooghe, & Sophie Debrock. (2017). Effect of day 3 embryo morphometrics and morphokinetics on survival and implantation after slow freezing-thawing and after vitrification-warming: a retrospective cohort study. Reproductive Biology and Endocrinology. 15(1). 79–79. 6 indexed citations

Debrock, Sophie, et al.. (2013). Can embryo quality be improved by in vitro exposure to low oxygen concentration or by using a mini-incubator? two randomized controlled trials. Fertility and Sterility. 100(3). S247–S248. 2 indexed citations

10.

Debrock, Sophie, et al.. (2013). Semi-automated morphometric analysis of human embryos can reveal correlations between total embryo volume and clinical pregnancy. Human Reproduction. 28(3). 627–633. 37 indexed citations

11.

Debrock, Sophie, et al.. (2012). Is there a link between blastomere contact surfaces of day 3 embryos and live birth rate?. Reproductive Biology and Endocrinology. 10(1). 78–78. 4 indexed citations

12.

Nyachieo, Atunga, Carl Spiessens, Daniel Chai, et al.. (2010). Randomized comparison of different ovarian stimulation regimens for assisted reproductive technology in baboons (Papio anubis). Fertility and Sterility. 95(4). 1354–1359. 3 indexed citations

13.

Debrock, Sophie, et al.. (2010). Early embryo development in a sequential versus single medium: a randomized study. Reproductive Biology and Endocrinology. 8(1). 83–83. 35 indexed citations

14.

Peeraer, Karen, et al.. (2007). Correlation between the number of follicular flushings, oocyte/embryo quality and pregnancy rate for IVF: a prospective study. Human Reproduction. 22. 1 indexed citations

15.

D’Hooghe, Thomas, et al.. (2006). Is the endometriosis recurrence rate increased after ovarian hyperstimulation?. Fertility and Sterility. 86(2). 283–290. 66 indexed citations

16.

Werbrouck, E., Carl Spiessens, Christel Meuleman, & Thomas D’Hooghe. (2006). No difference in cycle pregnancy rate and in cumulative live-birth rate between women with surgically treated minimal to mild endometriosis and women with unexplained infertility after controlled ovarian hyperstimulation and intrauterine insemination. Fertility and Sterility. 86(3). 566–571. 82 indexed citations

17.

D’Hooghe, Thomas, et al.. (2004). Ovarian stimulation, egg aspiration, in vitro fertilization and embryo transfer in the baboon (Papio anubis): a pilot project at the Institute of Primate Research, Nairobi, Kenya.. PubMed. 57(1). 23–6. 13 indexed citations

18.

Ombelet, Willem, E. Bosmans, M. Janssen, et al.. (1998). Multicenter Study on Reproducibility of Sperm Morphology Assessments. Archives of Andrology. 41(2). 103–114. 37 indexed citations

19.

Vanderschueren, Dirk, et al.. (1998). Successful treatment of idiopathic anejaculation with electroejaculation after microsurgical vas aspiration. Human Reproduction. 13(2). 370–371. 8 indexed citations

20.

Geboes, Karen, et al.. (1993). Anthranoids and the Mucosal Immune System of the Colon. Pharmacology. 47(1). 49–57. 6 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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