Differential Relationships Between Chronic Hormone Profiles in Pregnancy and Maternal Investment in Rhesus Monkey Mothers With Hair Loss in the Neonatal Period

October 2015 in “ American Journal of Primatology ”

Amanda M. Dettmer, Kendra Rosenberg, Mark T. Menard, Saif N. El-Mallah, Ruth A. Woodward, Stephen J. Suomi, Jerrold S. Meyer

hair loss chronic hormone profiles hair cortisol concentrations HCCs maternal investment physiological stress pregnancy lactation birth weights infant growth rates milk yield volume hormone levels cortisol levels stress breastfeeding baby weight baby growth milk production

Studysummary The researchers observed that pregnancy in rhesus monkeys was associated with an increased incidence of hair loss, though the underlying reasons remain unclear.

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Research cited in this study

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research Assessing Significant (>30%) Alopecia as a Possible Biomarker for Stress in Captive Rhesus Monkeys (Macaca Mulatta)

23 citations , March 2016 in “American Journal of Primatology”

This study found that female rhesus macaques who gained hair showed a significant reduction in hair cortisol concentrations, suggesting a connection between hair regrowth and stress levels.

research Extraction and Analysis of Cortisol from Human and Monkey Hair

189 citations , January 2014 in “Journal of Visualized Experiments”

This study developed and validated a method for extracting cortisol from human and animal hair, suggesting its potential as a biomarker for assessing chronic stress exposure.

research Alopecia: Possible Causes and Treatments, Particularly in Captive Nonhuman Primates

87 citations , February 2009 in “PubMed”

This review discusses the potential causes and treatments for alopecia in nonhuman primates, emphasizing the need for comprehensive testing before attributing hair loss to stress.

research Comparative Dermatology: Canine Endocrine Dermatoses

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This article reviews dermatological manifestations of endocrine diseases in dogs, such as hypothyroidism and hyperadrenocorticism, but reports no new clinical findings.

research Pregnancy and the Skin

36 citations , April 1990 in “Dermatologic Clinics”

This review discusses skin changes and dermatoses during pregnancy and reports no clinical findings, emphasizing a need for better understanding of their causes.

research Pregnancy and the Skin: Physiological Changes and Dermatoses

12 citations , April 1990 in “PubMed”

This review discusses physiologic skin changes and various dermatoses associated with pregnancy but reports no new clinical findings, highlighting limited understanding of some conditions' etiologies.

research Pregnancy, Hair Loss, and the Pill

23 citations , October 1971 in “BMJ”

This case report describes a woman who experienced diffuse hair loss both after stopping oral contraceptives and after childbirth, suggesting a similar pathogenesis in these situations.

research Study of Postpartum Alopecia

24 citations , May 1963 in “Archives of Dermatology”

In this study of postpartum alopecia, most patients experienced significant hair regrowth within four to six months, and heredity did not appear to be a significant factor in hair loss.