Jonathan Thornburg's Publications in Biological Anthropology and Human Reproductive Ecology

Virginia J. Vitzthum, Diva Bellido, Lourdes Echalar, Esperanza Caceres, and Jonathan Thornburg
Salivary/Serum Progesterone Ratio Differs Between Menstrual Cycle Phases but Not Between Populations: Implications for Health, Reproductive, and Behavioral Research
American Journal of Human Biology 37, e70077 (2025) [Open-access]

Emily M. Chester, Jacek Kolacz, Christine J. Ake, Jonathan Thornburg, Xiwei Chen, Amanda A. Shea, Bryndís Eva Birgisdóttir, Geir Gunnlaugsson, and Virginia J. Vitzthum
Well-being in healthy Icelandic women varies with extreme seasonality in ambient light
International Journal of Psychology 59(3), 486-494 (2024) [Open-access]

Virginia J. Vitzthum, Jonathan Thornburg, Thomas W. McDade, Kathryn A. Hicks, Aaron Miller, Emily M. Chester, Baileigh Goodlett, Esperanza Caceres, and Hilde Spielvogel
C-reactive protein (CRP) in high altitude Bolivian peri-urban adolescents varies by adiposity, current illness, height, socioeconomic status, sex, and menarcheal status: The potential benefits and costs of adipose reserves in arduous environments
American Journal of Human Biology 2024 e24107 [Open-access]

Amanda A Shea, Jonathan Thornburg, and Virginia J. Vitzthum
Assessment of App-Based Versus Conventional Survey Modalities for Reproductive Health Research in India, South Africa, and the United States: Comparative Cross-Sectional Study JMIR Formative Research 7, e44705 (2023) [Open-access]

Amanda A. Shea, Meghana Kulkarni, Jonathan Thornburg, Cécile Ventola, Erin Walker, and Virginia J. Vitzthum
A Bother or a Benefit? How Contraceptive Users Balance the Trade-Offs Between Preferred Menstrual Bleeding Patterns and Preferred Contraceptive Methods in India, South Africa, and the United States
Women's Reproductive Health 11(2), 343-382 (2023) [Open-access]

Amanda A. Shea, Fiorella Wever, Cécile Ventola, Jonathan Thornburg and Virginia J. Vitzthum
More than blood: app-tracking reveals variability in heavy menstrual bleeding construct
BMC Women's Health 23, 170 (2023) [Open-access]
Erratum: BMC Women's Health 23, 195 (2023) [Open-access]

Mecca E. Burris, Esperanza Caceres, Emily M. Chester, Kathryn A. Hicks, Thomas W. McDade, Lynn Sikkink, Hilde Spielvogel, Jonathan Thornburg, and Virginia J. Vitzthum
Socioeconomic impacts on Andean adolescents' growth: Variation between households, between communities and over time
Evolution, Medicine, and Public Health 2022, 409--428 [Open-access]

Virginia J. Vitzthum, Jonathan Thornburg, Hilde Spielvogel, and Tobias Deschner
Recognizing normal reproductive biology: A comparative analysis of variability in menstrual cycle biomarkers in German and Bolivian women
American Journal of Human Biology 33 (2021), e23663 [Open-access]

Jonathan Thornburg and Virginia J. Vitzthum
An economical insulated shipping container providing a >4-day lifetime for frozen biosamples without dry ice
Open-access preprint

Virginia J. Vitzthum, Jonathan Thornburg, and Hilde Spielvogel
Population-specific life history tradeoffs in nocturnal breastfeeding
Sleep Health 5(3), 220

Virginia J. Vitzthum, Jonathan Thornburg, and Hilde Spielvogel
Impacts of nocturnal breastfeeding, photoperiod, and access to electricity on maternal sleep behaviors in a non-industrial rural Bolivian population
Sleep Health 4(6), 535-542 (2018)
Reprint
Erratum: Sleep Health 6(6), 837-838 (2020) [Open-access]
Erratum: Sleep Health 6(6), 844 (2020) [Open-access]

Krista M. Milich, Caroline Deimel, Franka S. Schaebs, Jonathan Thornburg, Tobias Deschner, and Virginia J. Vitzthum
Links between breast cancer and birth weight: an empirical test of the hypothesized association between size at birth and premenopausal adult progesterone concentrations
Hormones and Cancer 6, 182-188 (2015) [Open-access]

Virginia J. Vitzthum, Carol M. Worthman, Cynthia M. Beall, Jonathan Thornburg, Enrique Vargas, Mercedes Villena, Rudy Soria, Esperanza Caceres, and Hilde Spielvogel
Seasonal and circadian variation in salivary testosterone in rural Bolivian men
American Journal of Human Biology 21(6), 762-768 (2009)
NIH Public Access Author Manuscript [Open-access]

Virginia J. Vitzthum, Jonathan Thornburg, and Hilde Spielvogel
Seasonal Modulation of Reproductive Effort during Early Pregnancy in Humans
American Journal of Human Biology 21(4), 548558 (2009)

Virginia J. Vitzthum and Jonathan Thornburg
Analyses Do Not Support CYP17 Genotype Estradiol Association
Cancer Epidemiology, Biomarkers & Prevention 17, 1550 (2008) [Open-access]

Virginia J. Vitzthum, Hilde Spielvogel, Jonathan Thornburg, and Brady West
A Prospective Study of Early Pregnancy Loss in Humans
Fertility and Sterility 86, 373-379 (2006) [Open-access]

Virginia J. Vitzthum, Hilde Spielvogel, and Jonathan Thornburg
Interpopulational differences in progesterone levels during conception and implantation in humans
Proceedings of the National Academy of Sciences of the United States of America 101 (2004), 1443-1448 [Open-access]

Virginia J. Vitzthum, Gillian Bentley, Hilde Spielvogel, Esperanza Caceres, Jonathan Thornburg, Lary Jones, Sarah Shore, Kelly R. Hodges, and Robert T. Chatterton
Salivary progesterone levels and rate of ovulation are significantly lower in poorer than in better-off urban-dwelling Bolivian women
Human Reproduction 17(7), 1906-1913 (2002)
Reprint (pdf)
Reprint (Alternate URL) (pdf)