Lale Say

46.3k total citations · 19 hit papers
167 papers, 29.0k citations indexed

About

Lale Say is a scholar working on Pediatrics, Perinatology and Child Health, General Health Professions and Obstetrics and Gynecology. According to data from OpenAlex, Lale Say has authored 167 papers receiving a total of 29.0k indexed citations (citations by other indexed papers that have themselves been cited), including 121 papers in Pediatrics, Perinatology and Child Health, 61 papers in General Health Professions and 53 papers in Obstetrics and Gynecology. Recurrent topics in Lale Say's work include Global Maternal and Child Health (97 papers), Maternal and Perinatal Health Interventions (35 papers) and Maternal and fetal healthcare (34 papers). Lale Say is often cited by papers focused on Global Maternal and Child Health (97 papers), Maternal and Perinatal Health Interventions (35 papers) and Maternal and fetal healthcare (34 papers). Lale Say collaborates with scholars based in Switzerland, United States and United Kingdom. Lale Say's co-authors include Doris Chou, Ann‐Beth Moller, A. Metin Gülmezog̈lu, Daniel Wojdyla, Özge Tunçalp, Khalid S. Khan, Leontine Alkema, Alison Gemmill, A Metin Gülmezoglu and Marleen Temmerman and has published in prestigious journals such as The Lancet, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Lale Say

161 papers receiving 27.8k citations

Hit Papers

5 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.

Global causes of maternal death: a WHO systematic analysis

2014 4.0k citations Lale Say, Doris Chou et al. The Lancet Global Health profile →
National, regional, and worldwide estimates of preterm birth rates in the year 2010 with time trends since 1990 for selected countries: a systematic analysis and implications

2012 3.3k citations Doris Chou, Ann‐Beth Moller et al. The Lancet profile →
WHO analysis of causes of maternal death: a systematic review

2006 2.9k citations Khalid S. Khan, Daniel Wojdyla et al. The Lancet profile →
The worldwide incidence of preterm birth: a systematic review of maternal mortality and morbidity

2009 1.6k citations Daniel Wojdyla, Lale Say et al. Bulletin of the World Health Organization profile →
Born Too Soon: The global epidemiology of 15 million preterm births

2013 1.5k citations Doris Chou, Lale Say et al. Reproductive Health profile →
Global, regional, and national levels and trends in maternal mortality between 1990 and 2015, with scenario-based projections to 2030: a systematic analysis by the UN Maternal Mortality Estimation Inter-Agency Group

2015 1.5k citations Leontine Alkema, Doris Chou et al. The Lancet profile →
Global and regional estimates of preeclampsia and eclampsia: a systematic review

2013 982 citations Doris Chou, Lale Say et al. profile →
Global epidemiology of use of and disparities in caesarean sections

2018 902 citations Ties Boerma, Carine Ronsmans et al. The Lancet profile →
Quality of care for pregnant women and newborns—the WHO vision

2015 696 citations Özge Tunçalp, Olufemi T. Oladapo et al. profile →
Maternal near miss – towards a standard tool for monitoring quality of maternal health care

2009 683 citations Lale Say, João Paulo Souza et al. profile →
Pregnancy and childbirth outcomes among adolescent mothers: a World Health Organization multicountry study

2014 665 citations Pisake Lumbiganon, Lale Say et al. profile →
Trends in maternal mortality : 1990 to 2013 - estimates by WHO, UNICEF, UNFPA, the World Bank, and the United Nations population division

2014 572 citations Ann‐Beth Moller, Leontine Alkema et al. profile →
Maternal mortality in 2005 : estimates developed by WHO, UNICEF, UNFPA and the World Bank

2008 473 citations Lale Say World Health Organization eBooks profile →
WHO systematic review of prevalence of chronic pelvic pain: a neglected reproductive health morbidity

2006 473 citations Lale Say, Khalid S. Khan et al. profile →
National, regional, and worldwide estimates of stillbirth rates in 2009 with trends since 1995: a systematic analysis

2011 461 citations Doris Chou, Özge Tunçalp et al. The Lancet profile →
Preterm birth–associated neurodevelopmental impairment estimates at regional and global levels for 2010

2013 342 citations Doris Chou, Lale Say et al. profile →
Early antenatal care visit: a systematic analysis of regional and global levels and trends of coverage from 1990 to 2013

2017 229 citations Ann‐Beth Moller, Doris Chou et al. The Lancet Global Health profile →
A global analysis of the determinants of maternal health and transitions in maternal mortality

2023 110 citations João Paulo Souza, Louise T. Day et al. The Lancet Global Health profile →
Global and regional causes of maternal deaths 2009–20: a WHO systematic analysis

2025 39 citations Jenny A. Cresswell, Monica Alexander et al. The Lancet Global Health profile →

Peers

Countries citing papers authored by Lale Say

Since Specialization

Citations

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

Fields of papers citing papers by Lale Say

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Lale Say

This figure shows the co-authorship network connecting the top 25 collaborators of Lale Say. A scholar is included among the top collaborators of Lale Say 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 Lale Say. Lale Say 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	Global and regional causes of maternal deaths 2009–20: a WHO systematic analysis breakdown → 2025 ·The Lancet Global Health ·Jenny A. Cresswell, Monica Alexander, (unknown), (unknown), (unknown), (unknown), (unknown), Doris Chou, Ann‐Beth Moller, Daniel Simpson, Leontine Alkema, Gemma Villanueva, Yanina Sguassero, Özge Tunçalp, Qian Long, Shaoming Xiao, Lale Say	39
2	Sexual and Reproductive Health Service Delivery Innovations and Adaptations During COVID-19: A Systematic Review and Crowdsourcing Open Call 2023 ·SSRN Electronic Journal ·Eneyi E. Kpokiri, (unknown), Tigest Tamrat, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), Ulrika Rehnström Loi, Caron Kim, Bela Ganatra, Lale Say, Joseph D. Tucker	0
3	A global analysis of the determinants of maternal health and transitions in maternal mortality breakdown → 2023 ·The Lancet Global Health ·João Paulo Souza, Louise T. Day, (unknown), Jun Zhang, Rintaro Mori, Adama Baguiya, Kapila Jayaratne, Alfred Osoti, Joshua P. Vogel, Oona M. R. Campbell, Kidza Mugerwa, Pisake Lumbiganon, Özge Tunçalp, Jenny A. Cresswell, Lale Say, Allisyn C. Moran, Olufemi T. Oladapo	110
4	Exploring the feasibility of establishing a core set of sexual, reproductive, maternal, newborn, child and adolescent health indicators in humanitarian settings: a multimethods, multicountry qualitative study protocol 2021 ·BMJ Open ·Loulou Kobeissi, (unknown), (unknown), Allisyn C. Moran, Lale Say, Kathleen Strong, (unknown)	4
5	Trends in sexual activity and demand for and use of modern contraceptive methods in 74 countries: a retrospective analysis of nationally representative surveys 2020 ·The Lancet Global Health ·Emma Slaymaker, Rachel Scott, Melissa Palmer, Luigi Palla, Milly Marston, Lianne Gonsalves, Lale Say, Kaye Wellings	42
6	What maternal morbidities are and what they mean for women: A thematic analysis of twenty years of qualitative research in low and lower-middle income countries 2019 ·PLoS ONE ·Isabelle L. Lange, (unknown), Doris Chou, Lale Say, Véronique Filippi	13
7	Global Epidemiology of Use of and Disparities in Caesarean Sections 2019 ·Obstetrical & Gynecological Survey ·Ties Boerma, Carine Ronsmans, Dessalegn Y. Melesse, Aluísio J. D. Barros, Fernando C. Barros, Juan Liang, Ann‐Beth Moller, Lale Say, Ahmad Reza Hosseinpoor, Yi Mu, Dácio de Lyra Rabello Neto, Marleen Temmerman	5
8	Situation analysis for delivering integrated comprehensive sexual and reproductive health services in humanitarian crisis condition for Rohingya refugees in Cox’s Bazar, Bangladesh: protocol for a mixed-method study 2019 ·BMJ Open ·Rushdiá Ahmed, (unknown), Bachera Aktar, (unknown), (unknown), (unknown), Abdul Awal, Atiya Rahman, (unknown), Loulou Kobeissi, (unknown), Lale Say, Tanvir Hasan, Zahidul Quayyum, Sabina Faiz Rashid	18
9	A long way to go: a systematic review to assess the utilisation of sexual and reproductive health services during humanitarian crises 2018 ·BMJ Global Health ·Neha Singh, (unknown), James Smith, Rajat Khosla, Lale Say, Karl Blanchet	84
10	Evaluating the effectiveness of sexual and reproductive health services during humanitarian crises: A systematic review 2018 ·PLoS ONE ·Neha Singh, James Smith, (unknown), Rajat Khosla, Lale Say, Karl Blanchet	48
11	The impact of hypertension, hemorrhage, and other maternal morbidities on functioning in the postpartum period as assessed by the WHODAS 2.0 36-item tool 2018 ·International Journal of Gynecology & Obstetrics ·José Paulo de Siqueira Guida, Maria Laura Costa, Mary Ângela Parpinelli, Rodolfo C. Pacagnella, Elton C. Ferreira, Jussara Mayrink, Carla Silveira, Renato T. Souza, Maria H. Sousa, Lale Say, Doris Chou, Véronique Filippi, María Barreix, Kelli Barbour, Affette McCaw‐Binns, Peter von Dadelszen, José Guilherme Cecatti, (unknown)	20
12	Protocol for a scoping review to identify and map the global health personnel considered skilled attendants at birth in low and middle-income countries between 2000 and 2015 2017 ·BMJ Open ·Amy Hobbs, Ann‐Beth Moller, Liliana Carvajal–Aguirre, Agbessi Amouzou, Doris Chou, Lale Say	3
13	Consequences of maternal morbidity on health-related functioning: a systematic scoping review 2017 ·BMJ Open ·Kazuyo Machiyama, Atsumi Hirose, Jenny A. Cresswell, Maria Barreix, Doris Chou, Nenad Kostanjsek, Lale Say, Véronique Filippi	33
14	Preventing Maternal and Newborn Deaths Globally 2012 ·Obstetrics and Gynecology ·Herbert B. Peterson, (unknown), Mario Merialdi, Lale Say, A. Metin Gülmezog̈lu, Peter Fajans, Michael T. Mbizvo, Abdul Ghaffar, Nhan Tran, Luc de Bernis, Laura Laski, Lynn P. Freedman, Mickey Chopra	17
15	The Worldwide Incidence of Preterm Birth: A Systematic Review of Maternal Mortality and morbidity/Incidence Mondiale De la Missance Avant Terme: Revue Sytemtique De la Mortalite et De la Morbidite maternelle/Incidencia Mundial De Parto Prematuro: Revision Sistematica De la Morbilidad Y Mortalidad Maternas 2010 ·Bulletin of the World Health Organization ·(unknown), Daniel Wojdyla, Lale Say, Ana Pilar Betrán, Mario Merialdi, Jennifer Requejo, Craig E. Rubens, Ramkumar Menon, P.F.A. Van Look	1
16	Maternal mortality in 2005 : estimates developed by WHO, UNICEF, UNFPA and the World Bank breakdown → 2008 ·World Health Organization eBooks ·Lale Say	473
17	A Systematic Review of Inequalities in the Use of Maternal Health Care in Developing Countries: Examining the Scale of the Problem and the Importance of context/Examen Systematique Des Negalites En Matiere De Recours Aux Soins De Sante Maternels Dans Les Pays En Developpement: 2007 ·Bulletin of the World Health Organization ·Lale Say, Rosalind Raine	1
18	WHO analysis of causes of maternal death: a systematic review breakdown → 2006 ·The Lancet ·Khalid S. Khan, Daniel Wojdyla, Lale Say, A. Metin Gülmezog̈lu, (unknown)	2909
19	Methodological and technical issues related to the diagnosis, screening, prevention, and treatment of pre‐eclampsia and eclampsia 2004 ·International Journal of Gynecology & Obstetrics ·José Villar, Lale Say, Andrew Shennan, Marshall D. Lindheimer, Lelia Duley, Agustín Conde‐Agudelo, Mario Merialdi	96
20	WHO systematic review of maternal morbidity and mortality: the prevalence of severe acute maternal morbidity (near miss) 2004 ·Reproductive Health ·Lale Say, Robert Pattinson, A. Metin Gülmezog̈lu	333

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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