Mothers' and fathers' joint profiles for testosterone and oxytocin in a small‐scale fishing‐farming community: Variation based on marital conflict and paternal …

LT Gettler, MS Sarma, S Lew‐Levy, A Bond… - Brain and …, 2019 - Wiley Online Library
Introduction Testosterone and oxytocin are psychobiological mechanisms that interrelate
with relationship quality between parents and the quantity and quality of parenting …

Testosterone and fathers' parenting unraveled: links with the quantity and quality of father-child interactions

EE de Vries, LD van der Pol, HJ Vermeer… - … Human Behavior and …, 2019 - Springer
Objective Individual differences in quality of father involvement in caregiving might in part be
explained by fathers' testosterone (T) levels. We examined the links between fathers'(n= 32) …

Dyadic associations between testosterone and relationship quality in couples

RS Edelstein, SM van Anders, WJ Chopik… - Hormones and …, 2014 - Elsevier
Testosterone is thought to be positively associated with “mating effort”, or the initiation and
establishment of sexual relationships (Wingfield et al., 1990). Yet, because testosterone is …

Fatherhood, pairbonding and testosterone in the Philippines

CW Kuzawa, LT Gettler, MN Muller, TW McDade… - Hormones and …, 2009 - Elsevier
In species with a high level of paternal care, including humans, testosterone (T) is believed
to help mediate the trade-off between parenting and mating effort. This hypothesis is …

Testosterone, fathers as providers and caregivers, and child health: Evidence from fisher-farmers in the Republic of the Congo

AH Boyette, S Lew-Levy, MS Sarma, LT Gettler - Hormones and behavior, 2019 - Elsevier
Males in vertebrate species with biparental care commonly face a life history trade-off
between investing in mating versus parenting effort. Among these males, testosterone is …

Evidence for an adolescent sensitive period to family experiences influencing adult male testosterone production

LT Gettler, S Rosenbaum, PX Kuo… - Proceedings of the …, 2022 - National Acad Sciences
Across vertebrates, testosterone is an important mediator of reproductive trade-offs, shaping
how energy and time are devoted to parenting versus mating/competition. Based on early …

Aging US males with multiple sources of emotional social support have low testosterone

LT Gettler, RC Oka - Hormones and Behavior, 2016 - Elsevier
Among species expressing bi-parental care, males' testosterone is often low when they
cooperate with females to raise offspring. In humans, low testosterone men might have an …

Testosterone and relationship quality across the transition to fatherhood

T Perini, B Ditzen, S Fischbacher, U Ehlert - Biological psychology, 2012 - Elsevier
Recent research points to decreasing testosterone (T) levels as well as decreasing
relationship quality during the transition to fatherhood, and it has been suggested that T …

Mothers have lower testosterone than non-mothers: Evidence from the Philippines

CW Kuzawa, LT Gettler, Y Huang, TW McDade - Hormones and Behavior, 2010 - Elsevier
Testosterone (T) is lower among fathers and men in committed relationships, suggesting that
the hormone mediates the trade-off between mating and parenting effort. The function of T in …

Fatherhood and psychobiology in the Philippines: Perspectives on joint profiles and longitudinal changes of fathers' estradiol and testosterone

LT Gettler, PX Kuo, SA Bechayda - American Journal of Human …, 2018 - Wiley Online Library
Objectives Research on the psychobiology of partnering and fathering has focused on
testosterone (T), oxytocin, and prolactin (PRL) as mechanisms that potentially mediate life …