Ioannis Sfontouris

1.9k total citations · 1 hit paper
40 papers, 1.2k citations indexed

About

Ioannis Sfontouris is a scholar working on Public Health, Environmental and Occupational Health, Reproductive Medicine and Pediatrics, Perinatology and Child Health. According to data from OpenAlex, Ioannis Sfontouris has authored 40 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 32 papers in Public Health, Environmental and Occupational Health, 30 papers in Reproductive Medicine and 22 papers in Pediatrics, Perinatology and Child Health. Recurrent topics in Ioannis Sfontouris's work include Reproductive Biology and Fertility (31 papers), Ovarian function and disorders (28 papers) and Assisted Reproductive Technology and Twin Pregnancy (19 papers). Ioannis Sfontouris is often cited by papers focused on Reproductive Biology and Fertility (31 papers), Ovarian function and disorders (28 papers) and Assisted Reproductive Technology and Twin Pregnancy (19 papers). Ioannis Sfontouris collaborates with scholars based in Greece, United Kingdom and Australia. Ioannis Sfontouris's co-authors include Efstratios M. Κolibianakis, George T. Lainas, Tryfon G. Lainas, Trifon G. Lainas, Christos Venetis, Basil C. Tarlatzis, George K. Petsas, Giovanni Coticchio, Julia Κ. Bosdou and Efthymia Alexopoulou and has published in prestigious journals such as Human Reproduction, Fertility and Sterility and BJOG An International Journal of Obstetrics & Gynaecology.

In The Last Decade

Ioannis Sfontouris

37 papers receiving 1.1k 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.

Good practice recommendations on add-ons in reproductive medicine

2023 61 citations Kersti Lundin, J. G. Bentzen 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
Ioannis Sfontouris Greece	19	934	874	655	144	84	40	1.2k
Lodovico Parmegiani Italy	17	922 1.0×	949 1.1×	340 0.5×	136 0.9×	29 0.3×	53	1.1k
Silvia Colamaria Italy	14	682 0.7×	582 0.7×	528 0.8×	127 0.9×	33 0.4×	21	877
Waldemar Kuczyński Poland	16	511 0.5×	505 0.6×	273 0.4×	102 0.7×	105 1.3×	47	756
Sarah K. Darmon United States	18	517 0.6×	664 0.8×	477 0.7×	124 0.9×	176 2.1×	49	1.0k
C. Vidal Spain	15	673 0.7×	673 0.8×	587 0.9×	112 0.8×	261 3.1×	43	1.1k
Juana Crespo Spain	14	1.3k 1.4×	1.4k 1.6×	609 0.9×	185 1.3×	239 2.8×	27	1.6k
Aycan Isiklar Türkiye	18	911 1.0×	831 1.0×	486 0.7×	198 1.4×	78 0.9×	35	1.1k
L.D. Vagnini Brazil	16	601 0.6×	702 0.8×	231 0.4×	81 0.6×	98 1.2×	55	836
N De Munck Belgium	13	483 0.5×	432 0.5×	300 0.5×	97 0.7×	63 0.8×	35	597
Rob E. Bernardus Netherlands	18	508 0.5×	681 0.8×	420 0.6×	66 0.5×	55 0.7×	32	860

Countries citing papers authored by Ioannis Sfontouris

Since Specialization

Citations

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

Fields of papers citing papers by Ioannis Sfontouris

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ioannis Sfontouris

This figure shows the co-authorship network connecting the top 25 collaborators of Ioannis Sfontouris. A scholar is included among the top collaborators of Ioannis Sfontouris 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 Ioannis Sfontouris. Ioannis Sfontouris is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Coticchio, Giovanni, Aisling Ahlström, Gemma Arroyo, et al.. (2025). The Istanbul Consensus update: a revised ESHRE/ALPHA consensus on oocyte and embryo static and dynamic morphological assessment† ‡. Reproductive BioMedicine Online. 50(6). 104955–104955. 3 indexed citations

Coticchio, Giovanni, Aisling Ahlström, Gemma Arroyo, et al.. (2025). The Istanbul consensus update: a revised ESHRE/ALPHA consensus on oocyte and embryo static and dynamic morphological assessment,. Human Reproduction. 40(6). 989–1035. 4 indexed citations

Ahlström, Aisling, Gemma Arroyo, Başak Balaban, et al.. (2025). O-107 A revised ESHRE/ALPHA consensus on oocyte and embryo assessment: 5 essential takeaways. Human Reproduction. 40(Supplement_1). 3 indexed citations

Serdarogullari, Münevver, M Mincheva, Claudia Massarotti, et al.. (2024). Add-ons in medically assisted reproduction: from evidence to clinical practice. Human Reproduction. 40(2). 398–404. 1 indexed citations

Ahlström, Aisling, Gemma Arroyo, Başak Balaban, et al.. (2024). O-240 Embryo assessment: the Istanbul consensus revised. Human Reproduction. 39(Supplement_1).

Lundin, Kersti, J. G. Bentzen, Gürkan Bozdağ, et al.. (2023). Good practice recommendations on add-ons in reproductive medicine. Human Reproduction. 38(11). 2062–2104. 61 indexed citations breakdown →

Hardy, Chloe, et al.. (2020). EXTERNAL VALIDATION OF AN AI SYSTEM FOR BLASTOCYST IMPLANTATION PREDICTION. Fertility and Sterility. 114(3). e140–e140. 1 indexed citations

Sfontouris, Ioannis, et al.. (2020). A decision-making algorithm for performing or cancelling embryo transfer in patients at high risk for ovarian hyperstimulation syndrome after triggering final oocyte maturation with hCG. Human Reproduction Open. 2020(3). hoaa013–hoaa013. 6 indexed citations

Lainas, George T., Tryfon G. Lainas, Ioannis Sfontouris, et al.. (2019). Association between body mass index and oocyte maturation in patients triggered with GnRH agonist who are at high risk for severe ovarian hyperstimulation syndrome: an observational cohort study. Reproductive BioMedicine Online. 40(1). 168–175. 11 indexed citations

10.

Kalogiannis, D., Evangelia Zapanti, Maria Gazouli, et al.. (2018). Interleukin 15 concentrations in follicular fluid and their effect on oocyte maturation in subfertile women undergoing intracytoplasmic sperm injection. Journal of Assisted Reproduction and Genetics. 35(6). 1019–1025. 13 indexed citations

11.

Venetis, Christos, Efstratios M. Κolibianakis, Julia Κ. Bosdou, et al.. (2016). Basal serum progesterone and history of elevated progesterone on the day of hCG administration are significant predictors of late follicular progesterone elevation in GnRH antagonist IVF cycles. Human Reproduction. 31(8). 1859–1865. 34 indexed citations

12.

Venetis, Christos, Efstratios M. Κolibianakis, Julia Κ. Bosdou, et al.. (2015). Estimating the net effect of progesterone elevation on the day of hCG on live birth rates after IVF: a cohort analysis of 3296 IVF cycles. Human Reproduction. 30(3). 684–691. 110 indexed citations

13.

Sfontouris, Ioannis, et al.. (2015). Live birth rates using conventional in vitro fertilization compared to intracytoplasmic sperm injection in Bologna poor responders with a single oocyte retrieved. Journal of Assisted Reproduction and Genetics. 32(5). 691–697. 34 indexed citations

14.

Lainas, George T., Efstratios M. Κolibianakis, Ioannis Sfontouris, et al.. (2013). Pregnancy and neonatal outcomes following luteal GnRH antagonist administration in patients with severe early OHSS. Human Reproduction. 28(7). 1929–1942. 24 indexed citations

15.

Sfontouris, Ioannis, et al.. (2013). Non-invasive metabolomic analysis using a commercial NIR instrument for embryo selection. Journal of Human Reproductive Sciences. 6(2). 133–133. 26 indexed citations

16.

Κolibianakis, Efstratios M., D. Kyrou, Christos Venetis, et al.. (2012). Triggering final oocyte maturation with gnrh agonist in patients with polycystic ovaries undergoing IVF. Fertility and Sterility. 98(3). S259–S259. 2 indexed citations

17.

Sfontouris, Ioannis, et al.. (2009). Live births after management of severe OHSS by GnRH antagonist administration in the luteal phase. Reproductive BioMedicine Online. 19(6). 789–795. 14 indexed citations

18.

Sfontouris, Ioannis, et al.. (2009). Management of severe OHSS using GnRH antagonist and blastocyst cryopreservation in PCOS patients treated with long protocol. Reproductive BioMedicine Online. 18(1). 15–20. 33 indexed citations

19.

Lainas, Tryfon G., et al.. (2008). Flexible GnRH antagonist versus flare-up GnRH agonist protocol in poor responders treated by IVF: a randomized controlled trial. Human Reproduction. 23(6). 1355–1358. 68 indexed citations

20.

Sfontouris, Ioannis, et al.. (2007). Management of severe early ovarian hyperstimulation syndrome by re-initiation of GnRH antagonist. Reproductive BioMedicine Online. 15(4). 408–412. 42 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.

Explore authors with similar magnitude of impact