Ihunnaya O. Frederick

6.2k total citations · 2 hit papers
41 papers, 4.3k citations indexed

About

Ihunnaya O. Frederick is a scholar working on Obstetrics and Gynecology, Pediatrics, Perinatology and Child Health and Public Health, Environmental and Occupational Health. According to data from OpenAlex, Ihunnaya O. Frederick has authored 41 papers receiving a total of 4.3k indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Obstetrics and Gynecology, 17 papers in Pediatrics, Perinatology and Child Health and 11 papers in Public Health, Environmental and Occupational Health. Recurrent topics in Ihunnaya O. Frederick's work include Gestational Diabetes Research and Management (16 papers), Pregnancy and preeclampsia studies (14 papers) and Birth, Development, and Health (14 papers). Ihunnaya O. Frederick is often cited by papers focused on Gestational Diabetes Research and Management (16 papers), Pregnancy and preeclampsia studies (14 papers) and Birth, Development, and Health (14 papers). Ihunnaya O. Frederick collaborates with scholars based in United States, United Kingdom and Canada. Ihunnaya O. Frederick's co-authors include Michelle A. Williams, Chunfang Qiu, Tanya K. Sorensen, Douglas A. Drossman, J DiCesare, Donald L. Patrick, Ann Lambert, Enrico Bertino, Stephen Kennedy and Ruyan Pang and has published in prestigious journals such as The Lancet, PLoS ONE and Diabetes Care.

In The Last Decade

Ihunnaya O. Frederick

40 papers receiving 4.2k 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.

International standards for newborn weight, length, and head circumference by gestational age and sex: the Newborn Cross-Sectional Study of the INTERGROWTH-21st Project

2014 1.4k citations José Villar, Leila Cheikh Ismail et al. The Lancet profile →
Quality of Life in Persons with Irritable Bowel Syndrome (Development and Validation of a New Measure)

1998 622 citations Donald L. Patrick, Douglas A. Drossman et al. Digestive Diseases and Sciences profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ihunnaya O. Frederick United States	26	2.0k	2.0k	1.1k	580	576	41	4.3k
Claire Lévy‐Marchal France	42	1.3k 0.6×	2.4k 1.2×	999 0.9×	655 1.1×	63 0.1×	135	5.4k
Andreas Beyerlein Germany	32	1.2k 0.6×	844 0.4×	916 0.8×	255 0.4×	102 0.2×	93	3.0k
Romy Gaillard Netherlands	36	2.2k 1.1×	2.5k 1.3×	1.3k 1.2×	481 0.8×	39 0.1×	179	4.7k
Gianni Bona Italy	41	286 0.1×	1.1k 0.5×	863 0.8×	704 1.2×	185 0.3×	235	6.3k
Massimo Agosti Italy	28	409 0.2×	762 0.4×	418 0.4×	757 1.3×	150 0.3×	149	2.7k
Susanna Y. Huh United States	17	469 0.2×	733 0.4×	744 0.7×	338 0.6×	111 0.2×	46	2.2k
Deborah B. Nelson United States	36	670 0.3×	720 0.4×	1.4k 1.3×	50 0.1×	345 0.6×	75	4.2k
Liesbeth Duijts Netherlands	41	683 0.3×	1.4k 0.7×	1.1k 1.0×	663 1.1×	42 0.1×	180	5.3k
Tanis R. Fenton Canada	31	581 0.3×	2.3k 1.2×	520 0.5×	2.8k 4.9×	102 0.2×	135	5.9k
Mario De Curtis Italy	30	355 0.2×	1.3k 0.7×	392 0.4×	1.5k 2.5×	82 0.1×	96	3.2k

Countries citing papers authored by Ihunnaya O. Frederick

Since Specialization

Citations

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

Fields of papers citing papers by Ihunnaya O. Frederick

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ihunnaya O. Frederick. 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 Ihunnaya O. Frederick. The network helps show where Ihunnaya O. Frederick may publish in the future.

Co-authorship network of co-authors of Ihunnaya O. Frederick

This figure shows the co-authorship network connecting the top 25 collaborators of Ihunnaya O. Frederick. A scholar is included among the top collaborators of Ihunnaya O. Frederick 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 Ihunnaya O. Frederick. Ihunnaya O. Frederick 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

1.

Qiu, Chunfang, et al.. (2016). Construct validity and factor structure of the Pittsburgh Sleep Quality Index among pregnant women in a Pacific-Northwest cohort. Sleep And Breathing. 20(1). 293–301. 89 indexed citations

2.

Victora, César G., José Villar, Fernando C. Barros, et al.. (2015). Anthropometric Characterization of Impaired Fetal Growth. JAMA Pediatrics. 169(7). e151431–e151431. 45 indexed citations

3.

Qiu, Chunfang, Daniel A. Enquobahrie, Ihunnaya O. Frederick, et al.. (2014). Early pregnancy urinary biomarkers of fatty acid and carbohydrate metabolism in pregnancies complicated by gestational diabetes. Diabetes Research and Clinical Practice. 104(3). 393–400. 25 indexed citations

4.

Villar, José, Aris T. Papageorghiou, Ruyan Pang, et al.. (2014). The likeness of fetal growth and newborn size across non-isolated populations in the INTERGROWTH-21st Project: the Fetal Growth Longitudinal Study and Newborn Cross-Sectional Study. The Lancet. 2(10). 781. 68 indexed citations

5.

Villar, José, Leila Cheikh Ismail, César G. Victora, et al.. (2014). International standards for newborn weight, length, and head circumference by gestational age and sex: the Newborn Cross-Sectional Study of the INTERGROWTH-21st Project. The Lancet. 384(9946). 857–868. 1448 indexed citations breakdown →

6.

Villar, José, Aris T. Papageorghiou, Ruyan Pang, et al.. (2014). The likeness of fetal growth and newborn size across non-isolated populations in the INTERGROWTH-21st Project: the Fetal Growth Longitudinal Study and Newborn Cross-Sectional Study. The Lancet Diabetes & Endocrinology. 2(10). 781–792. 188 indexed citations

7.

Qiu, Chunfang, Ihunnaya O. Frederick, Tanya K. Sorensen, Daniel A. Enquobahrie, & Michelle A. Williams. (2014). Sleep duration and plasma leptin concentrations in early pregnancy among lean and overweight/obese women: a cross sectional study. BMC Research Notes. 7(1). 20–20. 14 indexed citations

8.

Frederick, Ihunnaya O., Chunfang Qiu, Tanya K. Sorensen, Daniel A. Enquobahrie, & Michelle A. Williams. (2012). The prevalence and correlates of habitual snoring during pregnancy. Sleep And Breathing. 17(2). 541–547. 21 indexed citations

9.

Qiu, Chunfang, Daniel A. Enquobahrie, Ihunnaya O. Frederick, Dejene Abetew, & Michelle A. Williams. (2010). Glucose intolerance and gestational diabetes risk in relation to sleep duration and snoring during pregnancy: a pilot study. BMC Women s Health. 10(1). 17–17. 137 indexed citations

10.

Williams, Michelle A., Sheena K. Aurora, Ihunnaya O. Frederick, et al.. (2010). Sleep duration, vital exhaustion and perceived stress among pregnant migraineurs and non-migraineurs. BMC Pregnancy and Childbirth. 10(1). 72–72. 11 indexed citations

11.

Rudra, Carole B., Ihunnaya O. Frederick, & Michelle A. Williams. (2008). Pre‐pregnancy body mass index and weight gain during pregnancy in relation to preterm delivery subtypes. Acta Obstetricia Et Gynecologica Scandinavica. 87(5). 510–517. 34 indexed citations

12.

Qiu, Chen, et al.. (2008). Dietary Fiber Intake in Early Pregnancy and Risk of Subsequent Preeclampsia. American Journal of Hypertension. 21(8). 903–909. 99 indexed citations

13.

Williams, Michelle A., Ihunnaya O. Frederick, Chunfang Qiu, et al.. (2006). Maternal erythrocyte omega-3 and omega-6 fatty acids, and plasma lipid concentrations, are associated with habitual dietary fish consumption in early pregnancy. Clinical Biochemistry. 39(11). 1063–1070. 29 indexed citations

14.

Qiu, Chunfang, et al.. (2005). Maternal plasma concentrations of IGF-1, IGFBP-1, and C-peptide in early pregnancy and subsequent risk of gestational diabetes mellitus. American Journal of Obstetrics and Gynecology. 193(5). 1691–1697. 41 indexed citations

15.

Ning, Yi, et al.. (2004). Maternal recreational physical activity is associated with plasma leptin concentrations in early pregnancy. Human Reproduction. 20(2). 382–389. 15 indexed citations

16.

Ning, Yi, Michelle A. Williams, Surab Vadachkoria, et al.. (2004). Maternal plasma concentrations of insulinlike growth factor-1 and insulinlike growth factor-binding protein-1 in early pregnancy and subsequent risk of preeclampsia. Clinical Biochemistry. 37(11). 968–973. 23 indexed citations

17.

Ning, Yi, M. A. Williams, Jennifer C. Dempsey, et al.. (2003). Correlates of recreational physical activity in early pregnancy. The Journal of Maternal-Fetal & Neonatal Medicine. 13(6). 385–393. 123 indexed citations

18.

Sorensen, Tanya K., Jennifer C. Dempsey, Rong Xiao, et al.. (2003). Maternal Asthma and Risk of Preterm Delivery. Obstetrical & Gynecological Survey. 58(11). 702–703. 3 indexed citations

19.

Xiao, Rong, Tanya K. Sorensen, Ihunnaya O. Frederick, et al.. (2002). Maternal second‐trimester serum ferritin concentrations and subsequent risk of preterm delivery. Paediatric and Perinatal Epidemiology. 16(4). 297–304. 25 indexed citations

20.

Patrick, Donald L., et al.. (1998). Quality of Life in Persons with Irritable Bowel Syndrome (Development and Validation of a New Measure). Digestive Diseases and Sciences. 43(2). 400–411. 622 indexed citations breakdown →

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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