Johan Smitz

23.2k total citations · 3 hit papers
367 papers, 17.1k citations indexed

About

Johan Smitz is a scholar working on Public Health, Environmental and Occupational Health, Reproductive Medicine and Molecular Biology. According to data from OpenAlex, Johan Smitz has authored 367 papers receiving a total of 17.1k indexed citations (citations by other indexed papers that have themselves been cited), including 256 papers in Public Health, Environmental and Occupational Health, 234 papers in Reproductive Medicine and 78 papers in Molecular Biology. Recurrent topics in Johan Smitz's work include Reproductive Biology and Fertility (248 papers), Ovarian function and disorders (197 papers) and Sperm and Testicular Function (75 papers). Johan Smitz is often cited by papers focused on Reproductive Biology and Fertility (248 papers), Ovarian function and disorders (197 papers) and Sperm and Testicular Function (75 papers). Johan Smitz collaborates with scholars based in Belgium, United States and Brazil. Johan Smitz's co-authors include Paul Devroey, R. Cortvrindt, A.C. Van Steirteghem, F. Guerrero Sánchez, Michel De Vos, A. Wisanto, Carola Albano, C. Staessen, Herman Tournaye and Tom Adriaenssens and has published in prestigious journals such as Proceedings of the National Academy of Sciences, The Lancet and SHILAP Revista de lepidopterología.

In The Last Decade

Johan Smitz

361 papers receiving 16.2k citations

Hit Papers

align trajectories sort by overperformance

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 Johan Smitz et al. Human Reproduction profile →
High fertilization and implantation rates after intracytoplasmic sperm injection

1993 871 citations Johan Smitz, A. Wisanto et al. Human Reproduction profile →
The Role of Mitochondria in Oocyte Maturation

2021 208 citations Johan Smitz et al. profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Johan Smitz	12.5k	11.5k	4.0k	3.8k	1.9k	367	17.1k
Zi‐Jiang Chen	6.4k 0.5×	6.7k 0.6×	2.5k 0.6×	4.6k 1.2×	2.6k 1.4×	605	15.2k
Herman Tournaye	13.0k 1.0×	17.6k 1.5×	6.6k 1.6×	4.9k 1.3×	1.6k 0.8×	497	22.3k
Frank J. Broekmans	11.1k 0.9×	13.5k 1.2×	4.9k 1.2×	1.1k 0.3×	1.4k 0.8×	241	16.9k
Bart C.J.M. Fauser	16.2k 1.3×	19.8k 1.7×	6.2k 1.5×	2.7k 0.7×	2.3k 1.2×	299	26.1k
Nigel P. Groome	5.4k 0.4×	5.1k 0.4×	1.8k 0.5×	6.0k 1.6×	1.2k 0.6×	226	13.8k
Kelle H. Moley	4.8k 0.4×	3.3k 0.3×	3.4k 0.8×	4.5k 1.2×	1.4k 0.8×	205	13.3k
Antonio La Marca	7.4k 0.6×	8.8k 0.8×	2.6k 0.7×	1.0k 0.3×	638 0.3×	239	11.2k
Christos Coutifaris	3.5k 0.3×	4.6k 0.4×	2.6k 0.7×	1.6k 0.4×	1.9k 1.0×	170	8.7k
Alan H. DeCherney	4.6k 0.4×	4.9k 0.4×	2.5k 0.6×	840 0.2×	1.1k 0.6×	358	9.2k
Hilary Critchley	4.8k 0.4×	9.6k 0.8×	1.6k 0.4×	1.8k 0.5×	6.7k 3.6×	306	17.7k

Countries citing papers authored by Johan Smitz

Since Specialization

Citations

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

Fields of papers citing papers by Johan Smitz

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Johan Smitz

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

Vos, Michel De, Panagiotis Drakopoulos, Ellen Anckaert, et al.. (2025). Randomized controlled trial to evaluate the impact of follicle priming on IVM outcomes in women with polycystic ovaries: CFA versus FSH-B. Human Reproduction. 40(6). 1127–1137.

Vuong, Lan N., Vu N A Ho, Hieu H. Pham, et al.. (2024). O-190 Hormone-free versus FSH-primed infertility treatment of women with polycystic ovary syndrome using biphasic in vitro maturation: a randomised clinical trial. Human Reproduction. 39(Supplement_1). 1 indexed citations

Monte, Alane Pains Oliveira do, et al.. (2024). Resveratrol attenuates doxorubicin-induced toxicity during in vitro culture of mouse-isolated preantral follicles. Zygote. 32(4). 294–302. 1 indexed citations

Akin, Nazlı, et al.. (2024). Effect of single versus grouped culture of human cumulus–oocyte complexes in PCOS women treated with biphasic in vitro maturation: A sibling oocyte pilot study. Reproductive Medicine and Biology. 23(1). e12587–e12587. 5 indexed citations

Akin, Nazlı, Gamze Ates, Craig A. Harrison, et al.. (2023). Effects of lactate, super-GDF9, and low oxygen tension during bi-phasic in vitro maturation on the bioenergetic profiles of mouse cumulus–oocyte complex. Biology of Reproduction. 109(4). 432–449. 6 indexed citations

Gilchrist, Robert B. & Johan Smitz. (2023). Oocyte in vitro maturation: physiological basis and application to clinical practice. Fertility and Sterility. 119(4). 524–539. 54 indexed citations

Saucedo-Cuevas, Laura, Anh H. Le, Nazlı Akin, et al.. (2023). Epigenetic variation in neonatal tissues in infants conceived using capacitation-in vitro maturation vs. in vitro fertilization. Fertility and Sterility. 121(3). 506–518. 4 indexed citations

Akin, Nazlı, et al.. (2023). Glucose and redox metabolism in meiotically blocked in vitro grown mouse antral follicles. Journal of Assisted Reproduction and Genetics. 40(12). 2851–2863. 2 indexed citations

Akin, Nazlı, et al.. (2023). Mouse oocytes restore antral stage partial mechanical denudation in vitro. Reproduction. 166(6). 369–381. 3 indexed citations

10.

Gilchrist, Robert B., Tuong M. Ho, Michel De Vos, et al.. (2023). A fresh start for IVM: capacitating the oocyte for development using pre-IVM. Human Reproduction Update. 30(1). 3–25. 30 indexed citations

11.

Smitz, Johan & Peter Platteau. (2020). Influence of human chorionic gonadotrophin during ovarian stimulation: an overview. Reproductive Biology and Endocrinology. 18(1). 80–80. 14 indexed citations

12.

Adriaenssens, Tom, Inge Van Vaerenbergh, Ingrid Segers, et al.. (2017). Prospective evaluation of a cumulus-corona gene expression based scoring, combined with morphological scoring, reveals improved clinical pregnancy rates. Human Reproduction. 32. 123–123. 1 indexed citations

13.

Aguiar, F.L.N., Ana Beatriz Graça Duarte, Naíza Arcângela Ribeiro de Sá, et al.. (2017). Sheep Isolated Secondary Follicles Are Able to Produce Metaphase II Oocytes After Vitrification and Long-Term In Vitro Growth. Biopreservation and Biobanking. 15(4). 321–331. 14 indexed citations

14.

Blockeel, Christophe, Monique Sterrenburg, Frank J. Broekmans, et al.. (2011). Follicular Phase Endocrine Characteristics during Ovarian Stimulation and GnRH Antagonist Cotreatment for IVF: RCT Comparing recFSH Initiated on Cycle Day 2 or 5. The Journal of Clinical Endocrinology & Metabolism. 96(4). 1122–1128. 21 indexed citations

15.

Segers, Ingrid, Tom Adriaenssens, Wim Coucke, R. Cortvrindt, & Johan Smitz. (2008). Timing of Nuclear Maturation and Postovulatory Aging in Oocytes of In Vitro-Grown Mouse Follicles with or Without Oil Overlay1. Biology of Reproduction. 78(5). 859–868. 37 indexed citations

16.

Adriaenssens, Tom, Ingrid Segers, R. Ron-El, Joan‐Carles Arce, & Johan Smitz. (2007). Effect of LH activity in Menopur on the expression of ovulation response genes in human cumulus corona complexes at the time of oocyte retrieval.. VUBIR (Vrije Universiteit Brussel). 15–16.

17.

Foster, Rebecca R., David E. Smart, Tom Adriaenssens, et al.. (2007). Comparison of cytokine expression profiles induced by HP-HMG and recombinant hFSH in an in vitro mouse folliculogenesis model. Human Reproduction. 22. 1 indexed citations

18.

Schiettecatte, Johan, et al.. (2005). Serum hormones for predicting pregnancy outcome after assisted reproductive technology. Reproductive BioMedicine Online. 11(2). 183–188. 5 indexed citations

19.

Smitz, Johan, et al.. (1994). The use of recombinant FSH for ovulation induction.. VUBIR (Vrije Universiteit Brussel). 55(2). 79–83.

20.

Devroey, Paul, et al.. (1987). Ovarian stimulation, including in vitro fertilisation.. PubMed. 45(3). 346–50. 7 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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