Ioannis Gallos

8.1k total citations · 3 hit papers
101 papers, 3.6k citations indexed

About

Ioannis Gallos is a scholar working on Pediatrics, Perinatology and Child Health, Public Health, Environmental and Occupational Health and Obstetrics and Gynecology. According to data from OpenAlex, Ioannis Gallos has authored 101 papers receiving a total of 3.6k indexed citations (citations by other indexed papers that have themselves been cited), including 51 papers in Pediatrics, Perinatology and Child Health, 44 papers in Public Health, Environmental and Occupational Health and 42 papers in Obstetrics and Gynecology. Recurrent topics in Ioannis Gallos's work include Maternal and fetal healthcare (30 papers), Maternal and Perinatal Health Interventions (24 papers) and Ectopic Pregnancy Diagnosis and Management (20 papers). Ioannis Gallos is often cited by papers focused on Maternal and fetal healthcare (30 papers), Maternal and Perinatal Health Interventions (24 papers) and Ectopic Pregnancy Diagnosis and Management (20 papers). Ioannis Gallos collaborates with scholars based in United Kingdom, Switzerland and United States. Ioannis Gallos's co-authors include Arri Coomarasamy, Justin Chu, Janesh Gupta, Madhurima Rajkhowa, A Coomarasamy, Aurelio Tobı́as, T. Bourne, Lynne Robinson, Laurentiu Craciunas and Jan J. Brosens and has published in prestigious journals such as The Lancet, SHILAP Revista de lepidopterología and Scientific Reports.

In The Last Decade

Ioannis Gallos

92 papers receiving 3.4k 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 effect of sperm DNA fragmentation on miscarriage rates: a systematic review and meta-analysis

2012 413 citations Ioannis Gallos, Madhurima Rajkhowa et al. Human Reproduction profile →
Conventional and modern markers of endometrial receptivity: a systematic review and meta-analysis

2018 349 citations Laurentiu Craciunas, Ioannis Gallos et al. Human Reproduction Update profile →
Causes of and risk factors for postpartum haemorrhage: a systematic review and meta-analysis

2025 13 citations Md Asiful Islam, Kulandaipalayam Natarajan Sindhu et al. The Lancet profile →

Peers

Countries citing papers authored by Ioannis Gallos

Since Specialization

Citations

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

Fields of papers citing papers by Ioannis Gallos

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ioannis Gallos

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

#	Work	Indexed citations
1	Causes of and risk factors for postpartum haemorrhage: a systematic review and meta-analysis breakdown → 2025 ·The Lancet ·(unknown), Md Asiful Islam, Kulandaipalayam Natarajan Sindhu, Adam Devall, Marcelina Podesek, Sayeda Sadia Alam, Shoumik Kundu, Kristie‐Marie Mammoliti, (unknown), Malcolm J Price, (unknown), Olufemi T. Oladapo, Ioannis Gallos, Arri Coomarasamy	13
2	Research agenda for ending preventable maternal deaths from postpartum haemorrhage: a WHO research prioritisation exercise 2024 ·BMJ Global Health ·Caitlin R. Williams, (unknown), Ioannis Gallos, Arri Coomarasamy, A. Metin Gülmezog̈lu, Md Asiful Islam, (unknown), Mariana Widmer, Fernando Althabe, Olufemi T. Oladapo	5
3	The compatibility of oxytocin and tranexamic acid injection products when mixed for co‐administration by infusion for the treatment of postpartum haemorrhage: An in vitro investigation 2023 ·BJOG An International Journal of Obstetrics & Gynaecology ·(unknown), (unknown), (unknown), Claire L. McEvoy, Ioannis Gallos, Anne Ammerdorffer, (unknown), Arri Coomarasamy, A. Metin Gülmezog̈lu	0
4	The use of network meta-analysis in updating WHO living maternal and perinatal health recommendations 2023 ·BMJ Global Health ·M. Williams, Joshua P. Vogel, Ioannis Gallos, (unknown), Doris Chou, Olufemi T. Oladapo	3
5	The effect of frozen embryo transfer regimen on the association between serum progesterone and live birth: a multicentre prospective cohort study (ProFET) 2022 ·Human Reproduction Open ·Pedro Melo, Simon Wood, (unknown), (unknown), Christina Easter, Malcolm J Price, Simon Fishel, Mohammed Khairy, Charles Kingsland, Philip J. Lowe, Madhurima Rajkhowa, (unknown), Shilpi Pandey, (unknown), David Walker, (unknown), (unknown), Ioannis Gallos, Amanda Tozer, Arri Coomarasamy	12
6	Fresh and cryopreserved ovarian tissue transplantation for preserving reproductive and endocrine function: a systematic review and individual patient data meta-analysis 2022 ·Human Reproduction Update ·(unknown), (unknown), Laurentiu Craciunas, (unknown), Christiani A. Amorim, Simon Fishel, Sherman J. Silber, Debra A. Gook, Isabelle Demeestere, (unknown), Alla Lisyanskaya, Georgy M. Manikhas, Laura Lotz, Ralf Dittrich, Lotte Berdiin Colmorn, Kirsten Tryde Macklon, (unknown), Stine Gry Kristensen, Ioannis Gallos, Arri Coomarasamy	86
7	Correction to: Fresh and cryopreserved ovarian tissue transplantation for preserving reproductive and endocrine function: a systematic review and individual patient data meta-analysis 2022 ·Human Reproduction Update ·(unknown), (unknown), Laurentiu Craciunas, (unknown), Christiani A. Amorim, Simon Fishel, Sherman J. Silber, Debra A. Gook, Isabelle Demeestere, Olga V. Bystrova, Alla Lisyanskaya, Georgy M. Manikhas, Laura Lotz, Ralf Dittrich, Lotte Berdiin Colmorn, Kirsten Tryde Macklon, (unknown), Stine Gry Kristensen, Ioannis Gallos, Arri Coomarasamy	5
8	Why are women considering ovarian tissue cryopreservation to preserve reproductive and hormonal ovarian function? A qualitative study protocol 2022 ·BMJ Open ·(unknown), Ioannis Gallos, Arri Coomarasamy, Annie Topping	1
9	Chromosomal polymorphisms in assisted reproduction: a systematic review and meta-analysis 2022 ·Human Fertility ·(unknown), (unknown), (unknown), (unknown), Argyro Papadopoulou, Ioannis Gallos	4
10	Re: Effect of progestogen for women with threatened miscarriage: a systematic review and meta‐analysis 2020 ·BJOG An International Journal of Obstetrics & Gynaecology ·Adam Devall, Ioannis Gallos, Yakoub Khalaf, Ben W. Mol, Jackie Ross, Andrew Shennan, Andrew W. Horne, Rachel Small, Mariëtte Goddijn, Madelon van Wely, Mary D. Stephenson, Ole Bjarne Christiansen, Jan J. Brosens, Phillip R. Bennett, Raj Rai, Lesley Regan, Siobhan Quenby, Arri Coomarasamy	4
11	Uterotonic drugs to prevent postpartum haemorrhage: a network meta-analysis 2019 ·Health Technology Assessment ·Ioannis Gallos, Helen Williams, Malcolm J Price, (unknown), Abi Merriel, Aurelio Tobı́as, D. Lissauer, (unknown), Özge Tunçalp, Gillian ML Gyte, (unknown), Tracy Roberts, Jonathan J Deeks, Justus Hofmeyr, Metin Gülmezoglu, Arri Coomarasamy	30
12	Vitamin D and assisted reproductive treatment outcome: a prospective cohort study 2019 ·Reproductive Health ·Justin Chu, Ioannis Gallos, Aurelio Tobı́as, Lauren Robinson, Jackson Kirkman‐Brown, Rima Dhillon‐Smith, Hoda Harb, Abey Eapen, Madhurima Rajkhowa, Arri Coomarasamy	23
13	Maternal characteristics and causes associated with refractory postpartum haemorrhage after vaginal birth: a secondary analysis of the WHO CHAMPION trial data 2019 ·BJOG An International Journal of Obstetrics & Gynaecology ·Mariana Widmer, Gilda Piaggio, G Justus Hofmeyr, G. Carroli, Arri Coomarasamy, Ioannis Gallos, Shivaprasad S. Goudar, A. Metin Gülmezog̈lu, (unknown), Pisake Lumbiganon, Kidza Mugerwa, (unknown), Zahida Qureshi, Fernando Althabe	25
14	Conventional and modern markers of endometrial receptivity: a systematic review and meta-analysis breakdown → 2018 ·Human Reproduction Update ·Laurentiu Craciunas, Ioannis Gallos, Justin Chu, T. Bourne, Siobhan Quenby, Jan J. Brosens, Arri Coomarasamy	349
15	Optimal endometrial thickness to maximize live births and minimize pregnancy losses: Analysis of 25,767 fresh embryo transfers 2018 ·Reproductive BioMedicine Online ·Ioannis Gallos, Mohammed Khairy, Justin Chu, Madhurima Rajkhowa, Aurelio Tobı́as, Alison Campbell, Ken Dowell, Simon Fishel, Arri Coomarasamy	68
16	Vitamin D and assisted reproductive treatment outcome: a systematic review and meta-analysis 2017 ·Human Reproduction ·Justin Chu, Ioannis Gallos, Aurelio Tobı́as, Bee K. Tan, Abey Eapen, Arri Coomarasamy	123
17	The effect of endometriosis on in vitro fertilisation outcome: a systematic review and meta‐analysis 2013 ·BJOG An International Journal of Obstetrics & Gynaecology ·(unknown), Ioannis Gallos, Justin Chu, (unknown), A Coomarasamy	198
18	Dexamethasone reduces pain, vomiting and overall complications following tonsillectomy in adults: a systematic review and meta‐analysis of randomised controlled trials 2011 ·Clinical Otolaryngology ·(unknown), Ioannis Gallos, (unknown), Michelle J. Clarke, Rashek Kazi, Hisham Mehanna	58
19	Current management of endometrial hyperplasia—a survey of United Kingdom consultant gynaecologists 2011 ·European Journal of Obstetrics & Gynecology and Reproductive Biology ·Ioannis Gallos, (unknown), Manjeet Shehmar, Arri Coomarasamy, Janesh Gupta	19
20	Endometrial hyperplasia 2009 ·The Obstetrician & Gynaecologist ·Rajesh Varma, Ioannis Gallos, Janesh Gupta	1

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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