Peggy Nygren

4.4k total citations · 1 hit paper
45 papers, 3.2k citations indexed

About

Peggy Nygren is a scholar working on Obstetrics and Gynecology, Pediatrics, Perinatology and Child Health and General Health Professions. According to data from OpenAlex, Peggy Nygren has authored 45 papers receiving a total of 3.2k indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Obstetrics and Gynecology, 8 papers in Pediatrics, Perinatology and Child Health and 7 papers in General Health Professions. Recurrent topics in Peggy Nygren's work include Maternal and Perinatal Health Interventions (11 papers), Estrogen and related hormone effects (5 papers) and Maternal and fetal healthcare (4 papers). Peggy Nygren is often cited by papers focused on Maternal and Perinatal Health Interventions (11 papers), Estrogen and related hormone effects (5 papers) and Maternal and fetal healthcare (4 papers). Peggy Nygren collaborates with scholars based in United States, Switzerland and Sweden. Peggy Nygren's co-authors include Heidi D Nelson, Miranda Walker, Janet D. Allan, Linda L. Humphrey, Steven M. Teutsch, Jeanne‐Marie Guise, Christina Bougatsos, Rita Panoscha, Marian McDonagh and Karen Eden and has published in prestigious journals such as JAMA, Annals of Internal Medicine and PEDIATRICS.

In The Last Decade

Peggy Nygren

43 papers receiving 3.0k 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.

Postmenopausal Hormone Replacement Therapy

2002 750 citations Heidi D Nelson, Linda L. Humphrey et al. JAMA profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Peggy Nygren United States	22	821	807	632	521	499	45	3.2k
Miranda Walker United States	12	528 0.6×	485 0.6×	419 0.7×	592 1.1×	428 0.9×	25	2.0k
Moshe Fridman United States	32	779 0.9×	666 0.8×	786 1.2×	78 0.1×	284 0.6×	132	3.8k
Riitta Luoto Finland	38	766 0.9×	1.4k 1.8×	1.4k 2.2×	556 1.1×	212 0.4×	121	3.7k
Andrea E. Bonny United States	19	668 0.8×	266 0.3×	1.8k 2.9×	542 1.0×	236 0.5×	99	3.8k
Tessa J. Parsons United Kingdom	27	805 1.0×	246 0.3×	1.8k 2.8×	100 0.2×	237 0.5×	33	4.1k
Melvin Swanson United States	35	302 0.4×	188 0.2×	704 1.1×	1.1k 2.1×	178 0.4×	106	6.4k
Michael C. Leo United States	28	432 0.5×	162 0.2×	495 0.8×	138 0.3×	191 0.4×	134	3.3k
Kuan‐Chia Lin Taiwan	36	494 0.6×	236 0.3×	736 1.2×	156 0.3×	46 0.1×	142	3.8k
Inger Thune Norway	39	617 0.8×	234 0.3×	1.1k 1.7×	267 0.5×	391 0.8×	93	5.2k
Zachary J. Ward United States	29	700 0.9×	133 0.2×	1.8k 2.8×	372 0.7×	130 0.3×	74	4.4k

Countries citing papers authored by Peggy Nygren

Since Specialization

Citations

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

Fields of papers citing papers by Peggy Nygren

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Peggy Nygren

This figure shows the co-authorship network connecting the top 25 collaborators of Peggy Nygren. A scholar is included among the top collaborators of Peggy Nygren 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 Peggy Nygren. Peggy Nygren is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Buckley, David, Tracy Dana, Rebecca Holmes, et al.. (2025). Health Care Delivery of Clinical Preventive Services for People With Disabilities. Annals of Internal Medicine. 178(5). 671–686.

Nygren, Peggy, et al.. (2018). What’s Happening During Home Visits? Exploring the Relationship of Home Visiting Content and Dosage to Parenting Outcomes. Maternal and Child Health Journal. 22(S1). 52–61. 19 indexed citations

Kashif, Muhammad, Claes Andersson, Sadia Hassan, et al.. (2015). In vitro discovery of promising anti-cancer drug combinations using iterative maximisation of a therapeutic index. Scientific Reports. 5(1). 14118–14118. 21 indexed citations

Brennan, Eileen M., et al.. (2015). Predicting Positive Education Outcomes for Emerging Adults in Mental Health Systems of Care. The Journal of Behavioral Health Services & Research. 43(4). 564–581. 3 indexed citations

Guise, Jeanne‐Marie, Mary Anna Denman, Cathy Emeis, et al.. (2010). Vaginal Birth After Cesarean. Obstetrics and Gynecology. 115(6). 1267–1278. 235 indexed citations

Nelson, Heidi D, Kari Tyne, Arpana Naik, et al.. (2009). Screening for Breast Cancer: Systematic Evidence Review Update for the US Preventive Services Task Force. Annals of Internal Medicine. 151(10). 727. 126 indexed citations

Jimison, Holly, Paul Gorman, Susan Woods, et al.. (2008). Barriers and drivers of health information technology use for the elderly, chronically ill, and underserved.. PubMed Central. 202 indexed citations

Polen, Michael R, Evelyn P Whitlock, Jennifer P. Wisdom, Peggy Nygren, & Christina Bougatsos. (2008). Screening in Primary Care Settings for Illicit Drug Use: Staged Systematic Review for the United States Preventive Services Task Force. Europe PMC (PubMed Central). 39(2). 134–7. 19 indexed citations

Norris, Susan L., Devan Kansagara, Christina Bougatsos, Peggy Nygren, & Rongwei Fu. (2008). Screening for Type 2 Diabetes Mellitus: Update of 2003 Systematic Evidence Review for the U.S. Preventive Services Task Force. Europe PMC (PubMed Central). 58(7). 1199–224. 5 indexed citations

10.

Nedrow, Anne, et al.. (2006). Complementary and Alternative Therapies for the Management of Menopause-Related Symptoms. Archives of Internal Medicine. 166(14). 1453–1453. 2 indexed citations

11.

Nygren, Peggy, et al.. (2006). Screening for Elevated Lead Levels in Childhood and Pregnancy. 1 indexed citations

12.

Nygren, Peggy, et al.. (2006). Screening for Elevated Lead Levels in Childhood and Pregnancy: Update of a1996 U.S. Preventive Services Task Force Review. Europe PMC (PubMed Central). 2 indexed citations

13.

Nygren, Peggy. (2004). Screening Children for Family Violence: A Review of the Evidence for the US Preventive Services Task Force. The Annals of Family Medicine. 2(2). 161–169. 45 indexed citations

14.

Guise, Jeanne‐Marie, Marian McDonagh, Patricia Osterweil, et al.. (2004). Systematic review of the incidence and consequences of uterine rupture in women with previous caesarean section. BMJ. 329(7456). 19–19. 201 indexed citations

15.

Eden, Karen, et al.. (2004). Childbirth Preferences after Cesarean Birth: A Review of the Evidence. Birth. 31(1). 49–60. 89 indexed citations

16.

Eden, Karen, et al.. (2004). Predicting vaginal birth after cesarean delivery: A review of prognostic factors and screening tools. American Journal of Obstetrics and Gynecology. 190(2). 547–555. 28 indexed citations

17.

Nelson, Heidi D, Linda L. Humphrey, Peggy Nygren, Steven M. Teutsch, & Janet D. Allan. (2002). Postmenopausal Hormone Replacement Therapy. JAMA. 288(7). 872–872. 750 indexed citations breakdown →

18.

Kimby, Eva, L. Brandt, Peggy Nygren, & Bengt Glimelius. (2001). A Systematic Overview of Chemotherapy Effects in Aggressive non-Hodgkin's Lymphoma. Acta Oncologica. 40(2). 198–212. 31 indexed citations

19.

Jönsson, E., Sumeer Dhar, Bertil Jönsson, et al.. (2000). Differential activity of topotecan, irinotecan and SN-38 in fresh human tumour cells but not in cell lines. European Journal of Cancer. 36(16). 2120–2127. 27 indexed citations

20.

Torre, Michele, Rolf Larsson, Peggy Nygren, et al.. (1996). Differential expression of glutathione S-transferase Pi in normal, preneoplastic and neoplastic breast tissue.. Human Pathology. 3. 11. 1 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.

Explore authors with similar magnitude of impact