John P. Newnham

24.0k citations

435 papers · 16.5k indexed · 2 hit papers · h-index 68

Impact in

Obstetrics and Gynecology top 0.05%
- Pregnancy and preeclampsia studies
- Gestational Diabetes Research and Management
Pediatrics, Perinatology and Child Health top 0.02%
- Birth, Development, and Health
- Infant Development and Preterm Care

Papers in

Obstetrics and Gynecology 112
- Pregnancy and preeclampsia studies 75
- Gestational Diabetes Research and Management 46
Pediatrics, Perinatology and Child Health 190
- Birth, Development, and Health 119
- Neonatal and fetal brain pathology 31

Co-authors: Alan H. Jobe Timothy J. M. Moss Sharon Evans Machiko Ikegami Suhas G. Kallapur Ilias Nitsos Dorota A. Doherty Craig E. Pennell
Journals: American Journal of Obstetrics and Gynecology (50 papers)Australian and New Zealand Journal of Obstetrics and Gynaecology (26 papers)Pediatric Research (25 papers)American Journal of Physiology-Lung Cellular and Molecular Physiology (16 papers)Reproductive Sciences (15 papers)
Partner nations: Australia United States Netherlands

In The Last Decade

John P. Newnham

428 papers receiving 16.1k citations

Hit Papers

align trajectories log scale

A randomized clinical trial of exercise during pregnancy to prevent gestational diabetes mellitus and improve pregnancy outcome in overweight and obese pregnant women 2017 · 268 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2017 American Journal of Obstetrics and Gynecology
1993 The Lancet

Peers

Countries citing papers authored by John P. Newnham

Since Specialization

Citations

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

Fields of papers citing papers by John P. Newnham

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John P. Newnham. 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 John P. Newnham. The network helps show where John P. Newnham may publish in the future.

Co-authors

The 25 scholars most cited alongside John P. Newnham, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with John P. Newnham Line = papers co-authored together John P. Newnham links everyone, so they are left out of the graph.

All Works

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

20 of 20 papers shown

#	Work
1	A Reduction in Antenatal Steroid Dose Was Associated with Reduced Cardiac Dysfunction in a Sheep Model of Pregnancy Reproductive Sciences ·Yusaku Kumagai, Matthew W. Kemp, Haruo Usuda, Tsukasa Takahashi, Yuki Takahashi, Hirotaka Hamada, Augusto F. Schmidt, Takushi Hanita, Shimpei Watanabe, Shinichi Sato, Hideyuki Ikeda, Erin L. Fee, Lucy L. Furfaro, John P. Newnham, Alan H. Jobe, Nobuo Yaegashi, Masatoshi Saito	2023	2
2	Associations between Prenatal Exposure to Phthalates and Features of the Metabolic Syndrome in Males from Childhood into Adulthood International Journal of Environmental Research and Public Health ·Ye’elah E. Berman, Dorota A. Doherty, Trevor A. Mori, Lawrence J. Beilin, Oyekoya T. Ayonrinde, Leon A. Adams, Rae‐Chi Huang, John K. Olynyk, Jeffrey A. Keelan, John P. Newnham, Roger Hart	2022	7
3	Missing out on precious time: Extending paid parental leave for parents of babies admitted to neonatal intensive or special care units for prolonged periods Journal of Paediatrics and Child Health ·Alicia J. Spittle, Clare McKinnon, Li Huang, Alice Burnett, Kate L. Cameron, Lex W. Doyle, Peter J. Anderson, Marian Baird, Paul B. Colditz, Melanie Grace Y. Cruz, Kylie Pussell, Kim Dalziel, Abbey L. Eeles, John P. Newnham, Rod W. Hunt, Jeanie L.Y. Cheong	2021	2
4	Use of Stored Serum in the Study of Time Trends and Geographical Differences in Exposure of Pregnant Women to Phthalates UWA Profiles and Research Repository (University of Western Australia) ·Louise Scheutz Henriksen, Barbara K. Mathiesen, Maria Assens, Marianna Krause, Niels E. Skakkebæk, Anders Juul, Anna‐Maria Andersson, Roger Hart, John P. Newnham, Jeffrey A. Keelan, Katharina M. Main, Craig E. Pennell, Hanne Frederiksen	2019	2
5	Maternal pre‐pregnancy weight and autistic‐like traits among offspring in the general population Autism Research ·Kandice J. Varcin, John P. Newnham, Andrew Whitehouse	2018	17
6	The impact of antenatal exposure to environmentally ubiquitous bisphenol A (BPA) on measures of male reproductive function at 20 years of age Human Reproduction ·Roger Hart, Dorota A. Doherty, Jeffrey A. Keelan, Robert I. McLachlan, Jan E. Dickinson, John P. Newnham, Craig E. Pennell, Robert J. Norman, David J. Handelsman	2017	1
7	Repeated intrauterine exposures to inflammatory stimuli attenuated transforming growth factor-beta signaling in the ovine fetal lung Research Publications (Maastricht University) ·Jennifer J.P. Collins, Suhas G. Kallapur, Christine L. Knox, Matthew W. Kemp, Elke Kuypers, Luc J. I. Zimmermann, John P. Newnham, Alan H. Jobe, Boris W. Kramer	2013	15
8	UWA Profiles and Research Repository (UWA) ·Samantha J. Dando, Ilias Nitsos, Suhas G. Kallapur, John P. Newnham, Graeme R. Polglase, J. Jane Pillow, Alan H. Jobe, Peter Timms, Christine L. Knox	2012	46
9	The Severity of Chorioamnionitis in Pregnant Sheep Is Associated with In Vivo Variation of the Surface-Exposed Multiple-Banded Antigen/Gene of Ureaplasma parvum Griffith Research Online (Griffith University, Queensland, Australia) ·Christine L. Knox, Samantha J. Dando, Ilias Nitsos, Suhas G. Kallapur, Alan H. Jobe, Diane Payton, Timothy J. M. Moss, John P. Newnham	2010	44
10	Low-Moderate Prenatal Alcohol Exposure and Risk to Child Behavioral Development: A Prospective Cohort Study EDITORIAL COMMENT Obstetrical & Gynecological Survey ·Morgan Robinson, Wendy H. Oddy, NJ McLean, Peter Jacoby, Craig E. Pennell, Nicholas de Klerk, Stephen R. Zubrick, FJ Stanley, John P. Newnham	2010	1
11	Recruited Inflammatory Cells Mediate Endotoxin-induced Lung Maturation in Preterm Fetal Lambs American Journal of Respiratory and Critical Care Medicine ·Suhas G. Kallapur, Timothy J. M. Moss, Machiko Ikegami, Richard L. Jasman, John P. Newnham, Alan H. Jobe	2005	53
12	Is there a relationship to dye determined or ultrasound estimated amniotic fluid volume adjusted percentiles and fetal weight adjusted percentiles? American Journal of Obstetrics and Gynecology ·Everett F. Magann, Dorota A. Doherty, Suneet P. Chauhan, J. S. Moses, John P. Newnham, John C. Morrison	2004	6
13	Endotoxin-induced Chorioamnionitis Modulates Innate Immunity of Monocytes in Preterm Sheep American Journal of Respiratory and Critical Care Medicine ·Boris W. Kramer, Machiko Ikegami, Timothy J. M. Moss, Ilias Nitsos, John P. Newnham, Alan H. Jobe	2004	105
14	Pharmacokinetics of betamethasone after maternal or fetal intramuscular administration American Journal of Obstetrics and Gynecology ·Timothy J. M. Moss, Dorota A. Doherty, Ilias Nitsos, Richard Harding, John P. Newnham	2003	32
15	Using WinBUGS to Fit Nonlinear Mixed Models with an Application to Pharmacokinetic Modelling of Insulin Response to Glucose Challenge in Sheep Exposed Antenatally to Glucocorticoids Journal of Biopharmaceutical Statistics ·Lyle C. Gurrin, Timothy J. M. Moss, Deborah M. Sloboda, Martin L. Hazelton, John Challis, John P. Newnham	2003	6
16	Dose and Time Response after Intraamniotic Endotoxin in Preterm Lambs American Journal of Respiratory and Critical Care Medicine ·Boris W. Kramer, Timothy J. M. Moss, KAREN E. WILLET, John P. Newnham, Peter D. Sly, Suhas G. Kallapur, Machiko Ikegami, Alan H. Jobe	2001	215
17	Endotoxin-induced Lung Maturation in Preterm Lambs Is Not Mediated by Cortisol American Journal of Respiratory and Critical Care Medicine ·Alan H. Jobe, John P. Newnham, KAREN E. WILLET, Timothy J. M. Moss, M. GORE ERVIN, James F. Padbury, Peter D. Sly, Machiko Ikegami	2000	178
18	Pulmonary Interstitial Emphysema 24 Hours after Antenatal Betamethasone Treatment in Preterm Sheep American Journal of Respiratory and Critical Care Medicine ·KAREN E. WILLET, Alan H. Jobe, Machiko Ikegami, John P. Newnham, Peter D. Sly	2000	17
19	Intra-Amniotic Injection of Endotoxin Improves Postnatal Lung Function UWA Profiles and Research Repository (University of Western Australia) ·John P. Newnham, M. Ikegami, KAREN E. WILLET, Peter D. Sly, Alan H. Jobe	1999	1
20	Repetitive Prenatal Glucocorticoids Improve Lung Function and Decrease Growth in Preterm Lambs American Journal of Respiratory and Critical Care Medicine ·Machiko Ikegami, Alan H. Jobe, John P. Newnham, DANIEL H. POLK, KAREN E. WILLET, Peter D. Sly	1997	235

About John P. Newnham

John P. Newnham is a scholar working on Obstetrics and Gynecology, Pediatrics, Perinatology and Child Health, Pulmonary and Respiratory Medicine, Epidemiology and Microbiology, having authored 435 papers that have together received 16.5k indexed citations. Recurring topics across this work include Neonatal Respiratory Health Research (207 papers), Preterm Birth and Chorioamnionitis (125 papers), Birth, Development, and Health (119 papers), Pregnancy and preeclampsia studies (75 papers), Congenital Diaphragmatic Hernia Studies (59 papers), Gestational Diabetes Research and Management (46 papers), Infant Nutrition and Health (40 papers) and Neonatal and fetal brain pathology (31 papers). The work is most often cited by research in Obstetrics and Gynecology (4.1k citations), Pediatrics, Perinatology and Child Health (7.3k citations), Pulmonary and Respiratory Medicine (6.7k citations), Behavioral Neuroscience (601 citations) and Endocrine and Autonomic Systems (1.0k citations). John P. Newnham has collaborated with scholars based in Australia, United States and Netherlands. Frequent co-authors include Alan H. Jobe, Timothy J. M. Moss, Sharon Evans, Machiko Ikegami, Suhas G. Kallapur, Ilias Nitsos, Dorota A. Doherty, Craig E. Pennell, Peter D. Sly and Deborah M. Sloboda. Their work appears in journals such as American Journal of Obstetrics and Gynecology, Australian and New Zealand Journal of Obstetrics and Gynaecology, Pediatric Research, American Journal of Physiology-Lung Cellular and Molecular Physiology and Reproductive Sciences.

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