Clara Calvert

4.4k total citations · 2 hit papers
66 papers, 2.3k citations indexed

About

Clara Calvert is a scholar working on Pediatrics, Perinatology and Child Health, Obstetrics and Gynecology and General Health Professions. According to data from OpenAlex, Clara Calvert has authored 66 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 41 papers in Pediatrics, Perinatology and Child Health, 24 papers in Obstetrics and Gynecology and 17 papers in General Health Professions. Recurrent topics in Clara Calvert's work include Global Maternal and Child Health (32 papers), Maternal and Perinatal Health Interventions (16 papers) and HIV/AIDS Research and Interventions (15 papers). Clara Calvert is often cited by papers focused on Global Maternal and Child Health (32 papers), Maternal and Perinatal Health Interventions (16 papers) and HIV/AIDS Research and Interventions (15 papers). Clara Calvert collaborates with scholars based in United Kingdom, United States and Malawi. Clara Calvert's co-authors include Carine Ronsmans, Véronique Filippi, Laith J. Abu‐Raddad, Yousra A. Mohamoud, Lenka Beňová, Alma J Adler, Oona M. R. Campbell, Jenny A. Cresswell, Karen Wagner and Wendy Graham and has published in prestigious journals such as The Lancet, SHILAP Revista de lepidopterología and Journal of the American Statistical Association.

In The Last Decade

Clara Calvert

60 papers receiving 2.2k 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.

Vertical Transmission of Hepatitis C Virus: Systematic Review and Meta-analysis

2014 332 citations Clara Calvert et al. profile →
Quality maternity care for every woman, everywhere: a call to action

2016 288 citations Clara Calvert, Oona M. R. Campbell et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Clara Calvert United Kingdom	23	1.2k	815	532	529	461	66	2.3k
Gerhard Theron South Africa	22	900 0.8×	732 0.9×	390 0.7×	300 0.6×	185 0.4×	93	1.6k
Laura E. Riley United States	33	1.2k 1.0×	1.4k 1.7×	1.0k 1.9×	1.6k 3.0×	219 0.5×	132	4.0k
Elliot Marseille United States	29	637 0.5×	307 0.4×	365 0.7×	825 1.6×	685 1.5×	80	3.1k
Isaac F. Adewole Nigeria	29	785 0.7×	214 0.3×	800 1.5×	831 1.6×	680 1.5×	109	2.6k
Josaphat Byamugisha Uganda	29	1.1k 0.9×	710 0.9×	752 1.4×	712 1.3×	730 1.6×	155	2.9k
Pius Okong Uganda	22	1.6k 1.3×	423 0.5×	186 0.3×	607 1.1×	551 1.2×	51	2.5k
Yagob Al-Mazrou Saudi Arabia	19	978 0.8×	556 0.7×	303 0.6×	445 0.8×	445 1.0×	51	2.1k
Sonali Kochhar United States	25	779 0.6×	628 0.8×	471 0.9×	550 1.0×	191 0.4×	82	2.3k
Allisyn C. Moran United States	37	3.2k 2.7×	1.0k 1.2×	707 1.3×	589 1.1×	1.2k 2.5×	113	4.3k
Chelsea B. Polis United States	27	994 0.8×	364 0.4×	1.5k 2.8×	246 0.5×	773 1.7×	59	2.3k

Countries citing papers authored by Clara Calvert

Since Specialization

Citations

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

Fields of papers citing papers by Clara Calvert

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Clara Calvert

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

Mohammed, Shamsudeen, Clara Calvert, Emily L. Webb, et al.. (2025). Socioeconomic pattern of breastfeeding in sub-Saharan Africa: an individual participant data meta-analysis of six longitudinal cohorts. BMJ Public Health. 3(1). e001298–e001298.

Karmacharya, Biraj, Seema Das, Abha Shrestha, et al.. (2025). A Novel Approach to Assessing the Potential of Electronic Decision Support Systems to Improve the Quality of Antenatal Care in Nepal. Global Health Science and Practice. 13(1). e2300370–e2300370. 2 indexed citations

Chu, Yue, Milly Marston, Albert Dube, et al.. (2024). Temporal changes in cause of death among adolescents and adults in six countries in eastern and southern Africa in 1995–2019: a multi-country surveillance study of verbal autopsy data. The Lancet Global Health. 12(8). e1278–e1287.

Calvert, Clara, Rachel Scott, Melissa Palmer, et al.. (2023). Rates of sexual partner acquisition from nationally representative surveys: variation between countries and by age, sex, wealth, partner and HIV status. Sexual Health. 21(1). NULL–NULL.

Kwaro, Daniel, Kathryn Risher, Sammy Khagayi, et al.. (2023). Comparison of programmatic data from antenatal clinics with population-based HIV prevalence estimates in the era of universal test and treat in western Kenya. PLoS ONE. 18(6). e0287626–e0287626.

Reniers, Georges, Clara Calvert, Momodou Jasseh, et al.. (2023). Pregnancy‐related mortality up to 1 year postpartum in sub‐Saharan Africa: an analysis of verbal autopsy data from six countries. BJOG An International Journal of Obstetrics & Gynaecology. 131(2). 163–174. 5 indexed citations

Mohan, Sailesh, Ona McCarthy, Prashant Jarhyan, et al.. (2023). A cluster randomized controlled trial of an electronic decision-support system to enhance antenatal care services in pregnancy at primary healthcare level in Telangana, India: trial protocol. BMC Pregnancy and Childbirth. 23(1). 72–72. 5 indexed citations

Stöckl, Heidi, et al.. (2023). Sexual violence and antiretroviral adherence among women of reproductive age in African population‐based surveys: the moderating role of the perinatal phase. Journal of the International AIDS Society. 26(6). e26129–e26129. 1 indexed citations

Mohammed, Shamsudeen, Emily L. Webb, Clara Calvert, et al.. (2023). Effects of exclusive breastfeeding on educational attainment and longitudinal trajectories of grade progression among children in a 13-year follow-up study in Malawi. Scientific Reports. 13(1). 11413–11413. 3 indexed citations

10.

Boardman, James P., et al.. (2022). Associations between low Apgar scores and mortality by race in the United States: A cohort study of 6,809,653 infants. PLoS Medicine. 19(7). e1004040–e1004040. 11 indexed citations

11.

Mohammed, Shamsudeen, Laura Oakley, Milly Marston, Judith R. Glynn, & Clara Calvert. (2022). Time trends in the prevalence and determinants of age-appropriate breast feeding among children aged 0–23 months in Ghana: a pooled analysis of population-based surveys, 2003–2017. BMJ Open. 12(8). e059928–e059928. 6 indexed citations

12.

Asiki, Gershim, Damazo T. Kadengye, Clara Calvert, et al.. (2021). Trends and risk factors for non-communicable diseases mortality in Nairobi slums (2008–2017). SHILAP Revista de lepidopterología. 3. 100049–100049. 1 indexed citations

13.

Woodd, Susannah, Ana Montoya, María Barreix, et al.. (2019). Incidence of maternal peripartum infection: A systematic review and meta-analysis. PLoS Medicine. 16(12). e1002984–e1002984. 85 indexed citations

14.

Reniers, Georges, Abraham J Herbst, Clara Calvert, et al.. (2017). Tuberculosis mortality and the male survival deficit in rural South Africa: An observational community cohort study. PLoS ONE. 12(10). e0185692–e0185692. 5 indexed citations

15.

Blencowe, Hannah, Clara Calvert, Joy E Lawn, Simon Cousens, & Oona M. R. Campbell. (2016). Measuring maternal, foetal and neonatal mortality: Challenges and solutions. Best Practice & Research Clinical Obstetrics & Gynaecology. 36. 14–29. 29 indexed citations

16.

Filippi, Véronique, Rasmané Ganaba, Clara Calvert, Susan F. Murray, & Katerini T. Storeng. (2015). After surgery: the effects of life-saving caesarean sections in Burkina Faso. BMC Pregnancy and Childbirth. 15(1). 348–348. 22 indexed citations

17.

Montoya, Ana, Clara Calvert, & Véronique Filippi. (2014). Explaining differences in maternal mortality levels in sub-Saharan African hospitals: a systematic review and meta-analysis. International Health. 6(1). 12–22. 17 indexed citations

18.

Adler, Alma J, Carine Ronsmans, Clara Calvert, & Véronique Filippi. (2013). Estimating the prevalence of obstetric fistula: a systematic review and meta-analysis. BMC Pregnancy and Childbirth. 13(1). 246–246. 143 indexed citations

19.

Calvert, Clara & Carine Ronsmans. (2013). HIV and the Risk of Direct Obstetric Complications: A Systematic Review and Meta-Analysis. PLoS ONE. 8(10). e74848–e74848. 62 indexed citations

20.

Beattie, G C, et al.. (2004). Endoscopic transanal resection of rectal tumours using a urological resectoscope – still has a role in selected patients. Colorectal Disease. 7(1). 47–50. 8 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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