Valerie Riis

1.3k total citations · 1 hit paper
15 papers, 651 citations indexed

About

Valerie Riis is a scholar working on Obstetrics and Gynecology, Public Health, Environmental and Occupational Health and Pediatrics, Perinatology and Child Health. According to data from OpenAlex, Valerie Riis has authored 15 papers receiving a total of 651 indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Obstetrics and Gynecology, 6 papers in Public Health, Environmental and Occupational Health and 5 papers in Pediatrics, Perinatology and Child Health. Recurrent topics in Valerie Riis's work include Maternal Mental Health During Pregnancy and Postpartum (6 papers), Maternal and Perinatal Health Interventions (5 papers) and Pregnancy and preeclampsia studies (3 papers). Valerie Riis is often cited by papers focused on Maternal Mental Health During Pregnancy and Postpartum (6 papers), Maternal and Perinatal Health Interventions (5 papers) and Pregnancy and preeclampsia studies (3 papers). Valerie Riis collaborates with scholars based in United States, Antigua and Barbuda and Venezuela. Valerie Riis's co-authors include Michal A. Elovitz, Amy G. Brown, Johanna B. Holm, Jacques Ravel, Michael S. Humphrys, Pawel Gajer, Lisa D. Levine, Jennifer Lewey, Zoltàn Arany and Sara L. Kornfield and has published in prestigious journals such as Nature Communications, Journal of the American College of Cardiology and American Journal of Public Health.

In The Last Decade

Valerie Riis

14 papers receiving 642 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.

Cervicovaginal microbiota and local immune response modulate the risk of spontaneous preterm delivery

2019 245 citations Michal A. Elovitz, Pawel Gajer et al. Nature Communications profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Valerie Riis United States	12	193	188	186	178	117	15	651
Vanessa L. Short United States	18	150 0.8×	146 0.8×	381 2.0×	105 0.6×	39 0.3×	62	811
C Bower Australia	9	153 0.8×	291 1.5×	100 0.5×	66 0.4×	6 0.1×	13	821
Ri‐hua Xie China	15	71 0.4×	254 1.4×	201 1.1×	9 0.1×	19 0.2×	46	556
Joseph L. Rauh United States	14	133 0.7×	42 0.2×	233 1.3×	91 0.5×	13 0.1×	48	734
Simcha Lazer Israel	12	89 0.5×	114 0.6×	74 0.4×	21 0.1×	12 0.1×	17	509
Milena Forte Canada	10	70 0.4×	435 2.3×	399 2.1×	9 0.1×	83 0.7×	27	721
Diana Johnson United States	15	161 0.8×	122 0.6×	448 2.4×	10 0.1×	10 0.1×	36	790
Tal Lazer Israel	11	96 0.5×	80 0.4×	183 1.0×	20 0.1×	26 0.2×	17	439
Risa Ramsey United States	12	320 1.7×	347 1.8×	508 2.7×	19 0.1×	12 0.1×	25	909
Meital Almog Israel	8	169 0.9×	146 0.8×	217 1.2×	36 0.2×	4 0.0×	11	514

Countries citing papers authored by Valerie Riis

Since Specialization

Citations

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

Fields of papers citing papers by Valerie Riis

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Valerie Riis

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

All Works

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15 of 15 papers shown

DeBolt, Chelsea A., et al.. (2025). Revealing the Complexity of Immunobiological Shifts From Non‐Pregnant to Pregnant State. American Journal of Reproductive Immunology. 94(3). e70166–e70166.

Burris, Heather H., Valerie Riis, Linda Valeri, et al.. (2024). The role of neighborhood deprivation in the cervicovaginal microbiota. American Journal of Obstetrics & Gynecology MFM. 6(3). 101291–101291. 2 indexed citations

Waller, Rebecca, Sara L. Kornfield, Lauren K. White, et al.. (2022). Clinician-reported childbirth outcomes, patient-reported childbirth trauma, and risk for postpartum depression. Archives of Women s Mental Health. 25(5). 985–993. 14 indexed citations

Levine, Lisa D., Bonnie Ky, Julio A. Chirinos, et al.. (2022). Prospective Evaluation of Cardiovascular Risk 10 Years After a Hypertensive Disorder of Pregnancy. Journal of the American College of Cardiology. 79(24). 2401–2411. 28 indexed citations

Lewey, Jennifer, Samantha Murphy, Dazheng Zhang, et al.. (2022). Effectiveness of a Text-Based Gamification Intervention to Improve Physical Activity Among Postpartum Individuals With Hypertensive Disorders of Pregnancy. JAMA Cardiology. 7(6). 591–591. 26 indexed citations

Njoroge, Wanjikũ, Lauren K. White, Rebecca Waller, et al.. (2022). Association of COVID-19 and Endemic Systemic Racism With Postpartum Anxiety and Depression Among Black Birthing Individuals. JAMA Psychiatry. 79(6). 600–600. 16 indexed citations

Kornfield, Sara L., et al.. (2021). Maternal perceived stress and the increased risk of preterm birth in a majority non-Hispanic Black pregnancy cohort. Journal of Perinatology. 42(6). 708–713. 18 indexed citations

Kornfield, Sara L., Lauren K. White, Rebecca Waller, et al.. (2021). Risk And Resilience Factors Influencing Postpartum Depression And Mother-Infant Bonding During COVID-19. Health Affairs. 40(10). 1566–1574. 33 indexed citations

Burris, Heather H., et al.. (2020). Maternal stress, low cervicovaginal β-defensin, and spontaneous preterm birth. American Journal of Obstetrics & Gynecology MFM. 2(2). 100092–100092. 24 indexed citations

10.

Gur, Raquel E., Lauren K. White, Rebecca Waller, et al.. (2020). The Disproportionate Burden of the COVID-19 Pandemic Among Pregnant Black Women. Psychiatry Research. 293. 113475–113475. 118 indexed citations

11.

Cunningham, Shayna D., et al.. (2020). Safe Start Community Health Worker Program: A Multisector Partnership to Improve Perinatal Outcomes Among Low-Income Pregnant Women With Chronic Health Conditions. American Journal of Public Health. 110(6). 836–839. 12 indexed citations

12.

Elovitz, Michal A., Pawel Gajer, Valerie Riis, et al.. (2019). Cervicovaginal microbiota and local immune response modulate the risk of spontaneous preterm delivery. Nature Communications. 10(1). 1305–1305. 245 indexed citations breakdown →

13.

Herring, Sharon J., Daohai Yu, Andrea M. Spaeth, et al.. (2018). Influence of Sleep Duration on Postpartum Weight Change in Black and Hispanic Women. Obesity. 27(2). 295–303. 19 indexed citations

14.

Levine, Lisa D., et al.. (2017). Comparison of Clinical Characteristics and Outcomes of Peripartum Cardiomyopathy Between African American and Non–African American Women. JAMA Cardiology. 2(11). 1256–1256. 94 indexed citations

15.

Riis, Valerie, Mary D. Sammel, & Michal A. Elovitz. (2015). 150: Racial differences in perceived stress and depression among pregnant women throughout pregnancy. American Journal of Obstetrics and Gynecology. 214(1). S98–S98. 2 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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