Heather A. Frey

2.5k total citations · 1 hit paper
66 papers, 1.0k citations indexed

About

Heather A. Frey 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, Heather A. Frey has authored 66 papers receiving a total of 1.0k indexed citations (citations by other indexed papers that have themselves been cited), including 34 papers in Obstetrics and Gynecology, 25 papers in Pediatrics, Perinatology and Child Health and 24 papers in Public Health, Environmental and Occupational Health. Recurrent topics in Heather A. Frey's work include Maternal and Perinatal Health Interventions (24 papers), Pregnancy-related medical research (16 papers) and Preterm Birth and Chorioamnionitis (14 papers). Heather A. Frey is often cited by papers focused on Maternal and Perinatal Health Interventions (24 papers), Pregnancy-related medical research (16 papers) and Preterm Birth and Chorioamnionitis (14 papers). Heather A. Frey collaborates with scholars based in United States, United Kingdom and Japan. Heather A. Frey's co-authors include Mark A. Klebanoff, Alison G. Cahill, George A. Macones, Methodius G. Tuuli, Anthony Odibo, Maged M. Costantine, Shayna N. Conner, Carl H. Backes, Graham A. Colditz and Kimberly A. Roehl and has published in prestigious journals such as JAMA, American Journal of Obstetrics and Gynecology and Obstetrics and Gynecology.

In The Last Decade

Heather A. Frey

53 papers receiving 1.0k 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.

The epidemiology, etiology, and costs of preterm birth

2016 415 citations Heather A. Frey, Mark A. Klebanoff profile →

Peers

Heather A. Frey

PPCH

EPIDE

PHEOH

PRM

Jamie Bastek United States

Peter G. Napolitano United States

Lynnae K. Millar United States

Dimitri N.M. Papatsonis Netherlands

Margaret Sheridan‐Pereira Ireland

Harish M. Sehdev United States

Miriam Gatt Malta

Peter G. Pryde United States

Mika Nuutila Finland

Boris Furman Israel

Jamie Bastek United States

Heather A. Frey

484 ×1.0

PPCH

578 ×1.5

410 ×1.2

EPIDE

307 ×1.0

PHEOH

288 ×1.0

PRM

Citations per year, relative to Heather A. Frey Heather A. Frey (= 1×) peers Jamie Bastek

Countries citing papers authored by Heather A. Frey

Since Specialization

Citations

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

Fields of papers citing papers by Heather A. Frey

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Heather A. Frey. 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 Heather A. Frey. The network helps show where Heather A. Frey may publish in the future.

Co-authorship network of co-authors of Heather A. Frey

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

Kiefer, Miranda K., et al.. (2025). Cervical elastography at 18 to 23 weeks to predict spontaneous preterm birth in individuals with a history of preterm birth. AJOG Global Reports. 5(1). 100462–100462. 1 indexed citations

Frey, Heather A., et al.. (2025). Maternal and Neonatal Hemorrhage From Vitamin K Deficiency in the Setting of Crohn Disease in Pregnancy. Obstetrics and Gynecology. 145(4). e127–e130. 1 indexed citations

Smith, Devin D., et al.. (2024). Sonographic Predictors of Antepartum Bleeding in Placenta Previa. American Journal of Perinatology. 41(8). 961–968. 2 indexed citations

Summerfield, Taryn, et al.. (2024). Maternal Body Mass Index, Myometrium Contractility and Uterotonic Receptor Expression in Pregnancy. Reproductive Sciences. 31(10). 3016–3025. 2 indexed citations

Frey, Heather A., Courtney D. Lynch, Mark A. Klebanoff, et al.. (2023). Association between Diabetes in Pregnancy and Shoulder Dystocia by Infant Birth Weight in an Era of Cesarean Delivery for Suspected Macrosomia. American Journal of Perinatology. 40(9). 929–936. 5 indexed citations

McLaughlin, Eric, et al.. (2021). A One-Year Cross Sectional Analysis of Emergency Medical Services Utilization and Its Association with Hypertension in Pregnancy. Prehospital Emergency Care. 26(6). 838–847.

Kiefer, Miranda K., Mark A. Klebanoff, Maged M. Costantine, et al.. (2021). Gestational Weight Gain and Adverse Maternal and Neonatal Outcomes for Pregnancies Complicated by Pregestational and Gestational Diabetes. American Journal of Perinatology. 39(7). 691–698. 6 indexed citations

Shellhaas, Cynthia, et al.. (2021). Optimal antenatal corticosteroid exposure in women with history of preterm birth and asymptomatic short cervical length. American Journal of Obstetrics & Gynecology MFM. 3(4). 100371–100371. 1 indexed citations

Frey, Heather A., et al.. (2020). Challenges in conducting clinical research studies in pregnant women. Journal of Pharmacokinetics and Pharmacodynamics. 47(4). 287–293. 33 indexed citations

10.

Frey, Heather A., et al.. (2019). Contractions: Traditional concepts and their role in modern obstetrics. Seminars in Perinatology. 44(2). 151218–151218. 9 indexed citations

11.

Backes, Carl H., Johan Ågren, Richard Sindelar, et al.. (2018). Outcomes following a comprehensive versus a selective approach for infants born at 22 weeks of gestation. Journal of Perinatology. 39(1). 39–47. 39 indexed citations

12.

Frey, Heather A., Molly J. Stout, Laurel N. Pearson, et al.. (2016). Genetic variation associated with preterm birth in African-American women. American Journal of Obstetrics and Gynecology. 215(2). 235.e1–235.e8. 37 indexed citations

13.

Frey, Heather A., Anthony Odibo, Jeffrey M. Dicke, et al.. (2014). Stillbirth Risk Among Fetuses With Ultrasound-Detected Isolated Congenital Anomalies. Obstetrics and Gynecology. 124(1). 91–98. 24 indexed citations

14.

Conner, Shayna N., Heather A. Frey, Alison G. Cahill, et al.. (2014). Loop Electrosurgical Excision Procedure and Risk of Preterm Birth. Obstetrics and Gynecology. 123(4). 752–761. 70 indexed citations

15.

Frey, Heather A., Methodius G. Tuuli, Sarah K. England, et al.. (2014). Factors associated with higher oxytocin requirements in labor. The Journal of Maternal-Fetal & Neonatal Medicine. 28(13). 1614–1619. 21 indexed citations

16.

Frey, Heather A., Methodius G. Tuuli, Anthony Shanks, George A. Macones, & Alison G. Cahill. (2014). Interpreting category II fetal heart rate tracings: does meconium matter?. American Journal of Obstetrics and Gynecology. 211(6). 644.e1–644.e8. 20 indexed citations

17.

Frey, Heather A., Molly J. Stout, Anthony Odibo, et al.. (2013). Risk of Cesarean Delivery After Loop Electrosurgical Excision Procedure. Obstetrics and Gynecology. 121(1). 39–45. 11 indexed citations

18.

Frey, Heather A., Methodius G. Tuuli, Kimberly A. Roehl, et al.. (2013). Can contraction patterns predict neonatal outcomes?. The Journal of Maternal-Fetal & Neonatal Medicine. 27(14). 1422–1427. 19 indexed citations

19.

Tuuli, Methodius G., Heather A. Frey, Anthony Odibo, George A. Macones, & Alison G. Cahill. (2012). Immediate Compared With Delayed Pushing in the Second Stage of Labor. Obstetrics and Gynecology. 120(3). 660–668. 52 indexed citations

20.

McCallister, Jennifer W., et al.. (2011). Pregnancy related treatment disparities of acute asthma exacerbations in the emergency department. Respiratory Medicine. 105(10). 1434–1440. 27 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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