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Transformation of the maternal-fetal relationship into the mother-infant relationship remains an enigmatic process. This progression is considered using an RDoC-informed approach centered on domains of Arousal/Regulation, Positive/Negative Valence, and Social Processes. 158 maternal-fetal dyads began participation during pregnancy, maternal-infant dyads were followed at 6-months postpartum. Women exhibited stability in feelings of attachment to the fetus and infant, and in positive/negative appraisal of pregnancy and motherhood. Elicited maternal physiological arousal to emotionally evocative videos generated fetal heart rate variability and motor activity responses. Parasympathetic (i.e., heart rate variability) suppression in the fetus was associated with more positive and regulated infant social communication in the Face-to-face Still Face protocol; suppression of maternal respiratory sinus arrhythmia was related to infant affect but in the opposite direction. Maternal ratings of infant temperament aligned with maternal antenatal affective valence. Attachment trajectories characterized by stability from antenatal to postnatal periods were most associated with maternal affective appraisal of pregnancy; shifts were influenced by infant characteristics and maternal sympathetic responsivity. Results illustrate how variation in arousal and regulatory systems of the pregnant woman and fetus operate within the context of maternal positive and negative valence systems to separately and jointly shape affiliation and temperament in early infancy.
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Relações Mãe-Filho , Mães , Comunicação , Feminino , Humanos , Lactente , Relações Mãe-Filho/psicologia , Mães/psicologia , Apego ao Objeto , Gravidez , Gestantes/psicologia , Temperamento/fisiologiaRESUMO
BACKGROUND: Few studies have evaluated the impact of Baby Friendly Hospital Initiative (BFHI) implementation on underserved populations in the United States. We undertook this study in New Mexico, a large southwestern state with a diverse population and limited health care access. METHODS: A quasi-experimental, retrospective cohort design was used to compare short-term breastfeeding duration between a pre-BFHI and a post-BFHI cohort. Among the post-BFHI cohort, logistic regression models were fitted to predict short-term breastfeeding duration from both individual and cumulative exposure to inpatient maternity care practices (Steps 4 to 9). RESULTS: Implementation of the BFHI and cumulative exposure to the Ten Steps increased short-term duration of any breastfeeding and exclusive breastfeeding at 2-6 weeks postpartum. Exposure to all six of the inpatient Ten Steps increased the odds of any breastfeeding by 34 times and exclusive breastfeeding by 24 times. Exposure to Step 9 ("Give no pacifiers or artificial nipples") uniquely increased the likelihood of any breastfeeding at 2-6 weeks postpartum by 5.7 times, whereas Step 6 ("Give infants no food or drink other than breastmilk") increased the rate of exclusive breastfeeding by 4.4 times at 2-6 weeks postpartum. CONCLUSION: These findings demonstrate that the Baby Friendly Hospital Initiative can have a positive impact on breastfeeding among underserved populations.
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Aleitamento Materno/estatística & dados numéricos , Promoção da Saúde , Hospitais , Populações Vulneráveis , Adulto , Feminino , Fidelidade a Diretrizes , Humanos , Recém-Nascido , Modelos Logísticos , Serviços de Saúde Materna , New Mexico , Avaliação de Programas e Projetos de Saúde , Estudos Retrospectivos , Fatores de Tempo , Organização Mundial da Saúde , Adulto JovemRESUMO
The purpose of this article is to discuss the evolution of the University of New Mexico (UNM) Nurse-Midwifery Education Program, its impact on New Mexico communities, and the vision moving forward for the program in a rural and culturally diverse state. New Mexico has a rich history of community-based midwifery and the UNM Nurse-Midwifery Education Program, founded in 1991, is rooted in this tradition. Graduates are prepared to practice in rural and underserved communities, advance birth equity, and decrease perinatal health disparities. Faculty have advanced the program mission to improve the health and well-being of New Mexico families through diversifying the midwifery workforce, growing community collaboration, and engaging in research and scholarship activities aimed at promoting access to care. Program faculty recognize the critical need to address factors underpinning the rising maternal morbidity and mortality crisis, including rurality, poverty, and structural racism. These efforts have yielded positive results, with 60% of program graduates serving New Mexico communities and increasingly diverse midwifery student cohorts (70% of currently enrolled students). Efforts to support midwifery student success are bolstered through a recently awarded Health Resources and Services Administration Maternity Care Nursing Workforce Expansion grant. Through such endeavors, the program will continue to strive toward social justice and human dignity.
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Objective: The cytokine profile of human milk may be a key indicator of mammary gland health and has been linked to infant nutrition, growth, and immune system development. The current study examines the extent to which mammary epithelium permeability (MEP) is associated with cytokine profiles during established lactation within a sample of US mothers. Methods: Participants were drawn from a previous study of human milk cytokines. The present analysis includes 162 participants (98 Black, 64 White) with infants ranging from 1 to 18 months of age. Levels of cytokines were determined previously. Here we measure milk sodium (Na) and potassium (K) levels with ion-selective probes. Two approaches were used to define elevated MEP: Na levels ≥10 mmol/L and Na/K ratios greater than 0.6. Associations between maternal-infant characteristics, elevated MEP, and twelve analytes (IL-6, IL-8, TNFα, IL-1ß, FASL, VEGFD, FLT1, bFGF, PLGF, EGF, leptin, adiponectin) were examined using bivariate associations, principal components analysis, and multivariable logistic regression models. Results: Elevated MEP was observed in 12 and 15% of milk samples as defined by Na and Na/K cutoffs, respectively. The odds of experiencing elevated MEP (defined by Na ≥ 10 mmol/L) were higher among Black participants and declined with older infant age. All cytokines, except leptin, were positively correlated with either Na or the Na/K ratio. A pro-inflammatory factor (IL-6, IL-8, TNFα, IL-1ß, EGF) and a tissue remodeling factor (FASL, VEGFD, FLT1, bFGF, PLGF, adiponectin) each contributed uniquely to raising the odds of elevated MEP as defined by either Na or the Na/K ratio. Conclusion: This exploratory analysis of MEP and cytokine levels during established lactation indicates that elevated MEP may be more common in US populations than previously appreciated and that individuals identifying as Black may have increased odds of experiencing elevated MEP based on current definitions. Research aimed at understanding the role of MEP in mammary gland health or infant growth and development should be prioritized.
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Associations between salivary cortisol and maternal psychological distress and well-being were examined prospectively on 112 women with normally progressing, singleton pregnancies between 24 and 38 weeks gestation. At each of 5 visits, conducted in 3-week intervals, women provided a saliva sample and completed questionnaires measuring trait anxiety, depressive symptoms, pregnancy-specific hassles and uplifts, and psychological well-being. Maternal salivary cortisol was unrelated to psychological measures with the exception of minor associations detected with measures of anxiety and depressive symptoms between 30 and 32 weeks only. Findings indicate that self-reported maternal psychological distress and well-being are not associated with significant variation in maternal salivary cortisol levels during the second half of gestation. This suggests that studies that measure psychological factors in pregnancy but do not measure maternal cortisol should exercise caution in assuming activation of the maternal hypothalamic-pituitary-adrenal axis is the mechanism through which maternal psychological factors are transduced to the fetus.
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Depressão/metabolismo , Hidrocortisona/metabolismo , Gravidez/metabolismo , Gestantes/psicologia , Saliva/química , Estresse Psicológico/metabolismo , Adulto , Ansiedade/metabolismo , Ansiedade/psicologia , Depressão/psicologia , Feminino , Idade Gestacional , Humanos , Gravidez/psicologia , Complicações na Gravidez/psicologia , Autorrelato , Fatores Socioeconômicos , Inquéritos e QuestionáriosRESUMO
Continuous labor support is an evidence-based practice demonstrated to improve birth outcomes, particularly when provided by a trained doula or birth companion. Access to doula services designed to meet the needs of historically underserved and diverse communities can mitigate the negative effects of structural racism and health disparities in perinatal care. Unfortunately, continuous labor support by a companion of choice is not universally supported. This leaves individuals with limited resources unable to access services from a trained doula. Volunteer birth companion programs are one model for increasing access to continuous labor support by bringing the community into the hospital. This article describes a birth justice-focused volunteer birth companion program that evolved out of a multistakeholder collaboration between community birth workers, local reproductive justice organizations, and hospital-based providers, staff, and administrators in direct response to community needs. This program is unique in its collaborative development, grounding in core values, and design of a reproductive justice-focused curriculum that includes training in diversity, inclusion, and care for clients with a history of trauma or perinatal substance use. Key takeaways include recommendations to center client needs, consider sustainability, and embrace flexibility and change. Discussion includes recognition of the strengths and limitations of a volunteer-based model, including acknowledgment that volunteer birth work, while filling an important gap, necessitates the privilege of having sufficient time, economic freedom, and social support. Ensuring universal insurance coverage for doula services has the potential to increase access to continuous labor support, improve birth outcomes, and diversify the birth workforce.
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Doulas , Gravidez , Feminino , Humanos , Parto , Voluntários , Apoio Social , Justiça SocialRESUMO
In a predominantly low-income population-based longitudinal sample of 1,292 children followed from birth, higher level of salivary cortisol assessed at ages 7, 15, and 24 months was uniquely associated with lower executive function ability and to a lesser extent IQ at age 3 years. Measures of positive and negative aspects of parenting and household risk were also uniquely related to both executive functions and IQ. The effect of positive parenting on executive functions was partially mediated through cortisol. Typical or resting level of cortisol was increased in African American relative to White participants. In combination with positive and negative parenting and household risk, cortisol mediated effects of income-to-need, maternal education, and African American ethnicity on child cognitive ability.
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Negro ou Afro-Americano/psicologia , Função Executiva/fisiologia , Hidrocortisona/sangue , Poder Familiar/psicologia , Pobreza/psicologia , População Branca/psicologia , Nível de Alerta/fisiologia , Pré-Escolar , Escolaridade , Feminino , Humanos , Renda , Lactente , Inteligência/fisiologia , Entrevista Psicológica , Estudos Longitudinais , Masculino , Relações Mãe-Filho , Saliva/químicaRESUMO
The United States has greater prevalence of mental illness and substance use disorders than other developed countries, and pregnant women are disproportionately affected. The current global COVID-19 pandemic, through the exacerbation of psychological distress, unevenly affects the vulnerable population of pregnant women. Social distancing measures and widespread closures of businesses secondary to COVID-19 are likely to continue for the foreseeable future and to further magnify psychosocial risk factors. We propose the use of a social determinants of health framework to integrate behavioral health considerations into prenatal care and to guide the implementation of universal and comprehensive psychosocial assessment in pregnancy. As the most numerous and well-trusted health care professionals, nurses are ideally positioned to influence program and policy decisions at the community and regional levels and to advocate for the full integration of psychosocial screening and behavioral health into prenatal and postpartum care as core components.
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COVID-19 , Pandemias , Gestantes , Determinantes Sociais da Saúde , COVID-19/psicologia , Feminino , Humanos , Parto , Gravidez , Gestantes/psicologia , SARS-CoV-2 , Estados Unidos/epidemiologiaRESUMO
Fetal neurobehavioral development was modeled longitudinally using data collected at weekly intervals from 24 to 38 weeks gestation in a sample of 112 healthy pregnancies. Predictive associations between 3 measures of fetal neurobehavioral functioning and their developmental trajectories to neurological maturation in the first weeks after birth were examined. Prenatal measures included fetal heart rate (FHR) variability, fetal movement, and coupling between fetal motor activity and heart rate patterning; neonatal outcomes include a standard neurologic examination (n = 97) and brainstem auditory evoked potential (BAEP; n = 47). Optimality in newborn motor activity and reflexes was predicted by fetal motor activity, FHR variability, and somatic-cardiac coupling predicted BAEP parameters. Maternal pregnancy-specific psychological stress was associated with accelerated neurologic maturation.
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Desenvolvimento Fetal/fisiologia , Feto/fisiologia , Comportamento do Lactente/fisiologia , Sistema Nervoso/crescimento & desenvolvimento , Desempenho Psicomotor/fisiologia , Encéfalo/crescimento & desenvolvimento , Encéfalo/fisiologia , Potenciais Evocados Auditivos do Tronco Encefálico , Feminino , Movimento Fetal/fisiologia , Idade Gestacional , Frequência Cardíaca Fetal/fisiologia , Humanos , Recém-Nascido , Estudos Longitudinais , Masculino , Atividade Motora/fisiologia , Gravidez , Ultrassonografia Pré-NatalRESUMO
Little is known about normative variation in stress response over the adolescent transition. This study examined neuroendocrine and cardiovascular responses to performance and peer rejection stressors over the adolescent transition in a normative sample. Participants were 82 healthy children (ages 7-12 years, n = 39, 22 females) and adolescents (ages 13-17, n = 43, 20 females) recruited through community postings. Following a habituation session, participants completed a performance (public speaking, mental arithmetic, mirror tracing) or peer rejection (exclusion challenges) stress session. Salivary cortisol, salivary alpha amylase (sAA), systolic and diastolic blood pressure (SBP, DBP), and heart rate were measured throughout. Adolescents showed significantly greater cortisol, sAA, SBP, and DBP stress response relative to children. Developmental differences were most pronounced in the performance stress session for cortisol and DBP and in the peer rejection session for sAA and SBP. Heightened physiological stress responses in typical adolescents may facilitate adaptation to new challenges of adolescence and adulthood. In high-risk adolescents, this normative shift may tip the balance toward stress response dysregulation associated with depression and other psychopathology. Specificity of physiological response by stressor type highlights the importance of a multisystem approach to the psychobiology of stress and may also have implications for understanding trajectories to psychopathology.
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Grupo Associado , Psicologia do Adolescente , Estresse Fisiológico , Estresse Psicológico/psicologia , Adolescente , Afeto , Pressão Sanguínea , Criança , Emoções , Etnicidade , Feminino , Frequência Cardíaca , Humanos , Hidrocortisona/sangue , Masculino , Matemática , Psicologia da Criança , Puberdade/psicologia , Grupos Raciais , FalaRESUMO
The contemporaneous association between maternal salivary cortisol and fetal motor activity was examined at 32 and 36 weeks gestation. Higher maternal cortisol was positively associated with the amplitude of fetal motor activity at 32 weeks, r(48) = .39, p < .01, and 36 weeks, r(77) = .27, p < .05, and the amount of time fetuses spent moving at 32 weeks during the 50 min observation period, r(48) = 33, p < .05. Observation of periods of unusually intense fetal motor activity were more common in fetuses of women with higher cortisol, Mann-Whitney U = 58.5. There were no sex differences in fetal motor activity, but the associations between maternal cortisol and fetal motor amplitude and overall movement were significantly stronger for male than female fetuses.
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Movimento Fetal/fisiologia , Hidrocortisona/metabolismo , Atividade Motora/fisiologia , Adulto , Feminino , Humanos , Masculino , Gravidez , Saliva/metabolismo , Fatores Sexuais , Estresse Psicológico/metabolismo , Adulto JovemRESUMO
Maternal psychological functioning during pregnancy affects both maternal and fetal well-being. The hypothalamic-pituitary-adrenal (HPA) axis provides one mechanism through which maternal psychosocial factors may be transduced to the fetus. However, few studies have examined maternal psychological factors or birth outcomes in relation to the diurnal pattern of cortisol across the day. The current study examined maternal psychological well-being, parity status, and birth weight in relation to the maternal cortisol diurnal rhythm in a group of 98 low-risk pregnant women (51 primiparae). At 36 weeks gestation, participants completed both pregnancy-specific and general self-report measures of psychological functioning and provided saliva samples at 8:00, 12:00, and 16:00 h on 2 consecutive working days for the assay of cortisol. The expected diurnal decline in salivary cortisol was observed. Higher trait anxiety was associated with a flatter afternoon decline for all mothers. For primiparae, steeper morning cortisol declines were associated with lower infant birth weight. The findings suggest that regulation of the HPA axis may differ by parity status with downstream implications for fetal growth and development.
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Ansiedade/metabolismo , Ritmo Circadiano/fisiologia , Hidrocortisona/metabolismo , Paridade/fisiologia , Gravidez/psicologia , Adulto , Peso ao Nascer , Feminino , Desenvolvimento Fetal/fisiologia , Idade Gestacional , Humanos , Sistema Hipotálamo-Hipofisário/fisiologia , Sistema Hipófise-Suprarrenal/fisiologia , Gravidez/metabolismo , Valores de Referência , Saliva/metabolismo , Autoavaliação (Psicologia)RESUMO
Relations of maternal and child characteristics to child cortisol reactivity to and recovery from emotional arousal were examined prospectively at approximately 7 months of age (infancy) and then again at approximately 15 months of age (toddlerhood). The sample was diverse and population based (N = 1,292 mother-infant dyads) and included families from predominantly low-income, rural communities. Maternal behavior, family income-to-need ratio and social advantage, and child temperament, attention, and mental development were assessed, and children's saliva was sampled before and after standardized procedures designed to elicit emotional arousal. Maternal engagement in infancy was associated with greater cortisol reactivity at the infancy assessment and with reduced overall cortisol level at the toddler assessment. Also at the toddler assessment, child attention, mental development, and temperamental distress to novelty were associated with increased cortisol reactivity and regulation, whereas temperamental distress to limitations and African American ethnicity were associated with reduced cortisol reactivity. Findings are consistent with prior work linking early caregiving to the development of the hypothalamic-pituitary-adrenal axis stress response system and with a conceptual model in which developing temperament is characterized by the interplay of emotional reactivity and the emergence of the ability to effortfully regulate this reactivity using attention.
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Nível de Alerta/fisiologia , Emoções/fisiologia , Relações Mãe-Filho , Pobreza/psicologia , População Rural , Adaptação Psicológica/fisiologia , Fatores Etários , Atenção/fisiologia , Feminino , Humanos , Sistema Hipotálamo-Hipofisário/fisiologia , Lactente , Inteligência/fisiologia , Estudos Longitudinais , Masculino , Comportamento Materno/fisiologia , Poder Familiar/psicologia , Sistema Hipófise-Suprarrenal/fisiologia , Carência Psicossocial , Saliva/química , Temperamento/fisiologiaRESUMO
In the history of science, technical advances often precede periods of rapid accumulation of knowledge. Within the past three decades, discoveries that enabled the noninvasive measurement of the psychobiology of stress (in saliva) have added new dimensions to the study of health and human development. This widespread enthusiasm has led to somewhat of a renaissance in behavioral science. At the cutting edge, the focus is on testing innovative theoretical models of individual differences in behavior as a function of multilevel biosocial processes in the context of everyday life. Several new studies have generated renewed interest in salivary alpha-amylase (sAA) as a surrogate marker of the autonomic/sympathetic nervous system component of the psychobiology of stress. This article reviews sAA's properties and functions; presents illustrative findings relating sAA to stress and the physiology of stress, behavior, cognitive function, and health; and provides practical information regarding specimen collection and assay. The overarching intent is to accelerate the learning curve such that investigators avoid potential pitfalls associated with integrating this unique salivary analyte into the next generation of biobehavioral research.
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Comportamento/fisiologia , Saliva/enzimologia , Proteínas e Peptídeos Salivares/fisiologia , alfa-Amilases/fisiologia , Biomarcadores/metabolismo , Humanos , Proteínas e Peptídeos Salivares/química , Proteínas e Peptídeos Salivares/metabolismo , alfa-Amilases/química , alfa-Amilases/metabolismoRESUMO
Saliva has been championed as a diagnostic fluid of the future. Much of the attention that saliva receives as a biological specimen is due to the perception that the nature of sample collection is quick, uncomplicated, and non-invasive. In most cases, this perception matches reality; however, in some special circumstances and populations collecting saliva can be unexpectedly difficult, time consuming, and may not yield sufficient sample volume for assay. In this report, we review the nature and circumstances surrounding some of these problems in the context of developmental science and then present alternatives that can be used by investigators to improve the next generation of studies. We expect our findings will ease the burden on research participants and assistants, reduce the rate of missing values in salivary data sets, and increase the probability that salivary biomarkers will continue to be successfully integrated into developmental and behaviorally-oriented research.
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Pesquisa Comportamental/métodos , Biomarcadores/análise , Saliva/metabolismo , Manejo de Espécimes/métodos , Absorção , Fatores Etários , Idoso de 80 Anos ou mais , Biomarcadores/metabolismo , Desenvolvimento Infantil/fisiologia , Humanos , Lactente , Recém-Nascido , Saliva/química , Manejo de Espécimes/normasRESUMO
This study examined individual differences in salivary alpha-amylase response to competition in relation to gender, previous experience, behavior, attitudes, and performance. Participants were 42 (21 women) members of a collegiate crew team. Saliva samples were collected before, 20- and 40-min post-ergometer competition and at the same times on a non-competition day for comparison. Samples were assayed for salivary biomarkers of sympathetic nervous system (alpha-amylase) and hypothalamic-pituitary-adrenal axis (cortisol) activity. Behavioral assessments included self-reports of dominance, competitiveness, bonding with teammates, competition-related strategic thinking, and performance. On average, salivary alpha-amylase increased 156% in response to the ergometer competition. By comparison, cortisol increased 87% across the same time period. Salivary alpha-amylase was higher across the competition for varsity than for novice athletes, and was positively associated with performance and interest in team-bonding. Regression analyses revealed that alpha-amylase reactivity explained individual differences in dominance and team bonding above and beyond that associated with cortisol reactivity, and that joint inactivation in alpha-amylase and cortisol reactivity to competition (low-low) was associated with high perceived dominance. The findings are among the first to integrate salivary alpha-amylase into the study of competition and reveal that intra-individual change in alpha-amylase may be influenced by a confluence of factors that include contextual, behavioral, and psychological factors and processes.
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Atitude , Comportamento Competitivo/fisiologia , Esforço Físico/fisiologia , Esportes/fisiologia , alfa-Amilases/metabolismo , Adolescente , Adulto , Análise de Variância , Feminino , Humanos , Masculino , Psicologia , Reconhecimento Psicológico , Valores de Referência , Análise de Regressão , Papel (figurativo) , Saliva/metabolismo , Autoimagem , Fatores Sexuais , Predomínio Social , Esportes/psicologiaRESUMO
This study examined intra-individual change in testosterone, cortisol, and hormone-behavior relationships in response to a rowing ergometer competition. Forty-six members (23 females) of a university crew team provided saliva samples before, 20- and 40-min post-competition, as well as baselines on a non-competition day. Behavioral assessments included measures of previous rowing experience, dominance, competitiveness, bonding with teammates, pre- and post-competition mental state and performance. Men's and women's endocrine responses to this competitive setting were more different than alike and varied by level of competitive experience, the specific phase of the competitive event, and the particular hormone measured. Inter-individual differences in testosterone and cortisol were differentially associated with social affiliation with teammates but rarely with dominance or competitiveness. Theoretically, the findings support the integration of features of the 'tend and befriend' model with the biosocial model of status, and suggest future research directions that may lead to clarification and refinement of those ideas.
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Comportamento Competitivo/fisiologia , Hidrocortisona/metabolismo , Testosterona/metabolismo , Adolescente , Adulto , Atitude , Ergometria , Feminino , Humanos , Hidrocortisona/sangue , Técnicas Imunoenzimáticas , Individualidade , Masculino , Apego ao Objeto , Saliva/química , Caracteres Sexuais , Predomínio Social , Esportes/fisiologia , Testosterona/sangueRESUMO
The integration of oxytocin (OT) into behavioral science seems to hold considerable promise for advancing our understanding of human health and development but methodological issues restrict the measurement of OT in large studies, in everyday social settings, or when repeated sampling is required. Measuring OT in saliva could overcome many of these limitations. In this paper, we rigorously evaluate the feasibility of doing so. A series of experiments leads to the conclusion that saliva does not contain oxytocin in measurable amounts, and that OT is not a valid salivary biomarker when measured by currently available immunological methods. Levels of immuno-reactive OT in saliva are primarily due to non-specific interference with antibody-antigen binding. We can state with a high degree of certainty that measurement of OT in saliva does not yield meaningful indices of individual differences or intra-individual change.
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Biomarcadores/análise , Imunoensaio/métodos , Ocitocina/análise , Saliva/química , Estudos de Viabilidade , Humanos , Reprodutibilidade dos TestesRESUMO
INTRODUCTION: The maternal experience of having a young infant is often viewed through a negative lens focused on psychological distress due, in part, to a historical focus on identifying threats to prenatal, perinatal and postpartum well-being of women and infants. This report examines maternal appraisal of both positive and negative experiences during and after pregnancy and introduces a new scale that assesses both uplifts and hassles that are specific to early motherhood. METHODS: The sample included 136 women who began study participation during pregnancy and completed an existing scale designed to evaluate pregnancy-specific hassles and uplifts. When infants were 6 months old, participants completed the newly developed Maternal Experience Scale (MES) along with questionnaires related to anxiety, depression, attachment, parenting stress and infant temperament characteristics. RESULTS: In general, women with 6-month-old infants rated their maternal experiences far more positively than negatively. MES hassles and uplift scores reflected both convergent and discriminant validity with general measures of psychological well-being and parent-specific measures. Appraisal of the pregnancy experience significantly predicted appraisal of early motherhood for hassles, uplifts and a composite score reflecting emotional valence. Women became relatively more uplifted and less hassled from pregnancy to 6-month postpartum; this was particularly true for multiparous women. DISCUSSION: The maternal perception of motherhood corresponds to her perception of pregnancy. The MES provides a balanced view of motherhood by including maternal appraisal of the uplifting aspects of caring for an infant.
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Comportamento Materno/psicologia , Relações Mãe-Filho/psicologia , Mães/psicologia , Poder Familiar/psicologia , Período Pós-Parto/psicologia , Estresse Psicológico/psicologia , Adaptação Psicológica/fisiologia , Ansiedade/psicologia , Depressão/psicologia , Emoções/fisiologia , Feminino , Humanos , Lactente , Recém-Nascido , Estudos Longitudinais , Gravidez , Inquéritos e QuestionáriosRESUMO
In a series of studies, we identify several specific issues that can limit the value of integrating salivary testosterone in biosocial research. Salivary testosterone measurements can be substantially influenced during the process of sample collection, are susceptible to interference effects caused by the leakage of blood (plasma) into saliva, and are sensitive to storage conditions when samples have been archived. There are gender differences in salivary testosterone levels and variance, the serum-saliva association, the relationship of salivary testosterone to age and pubertal development, and the stability of individual differences in salivary testosterone levels over time. The findings have important implications at several levels of analysis for research that aims to test biosocial models of testosterone--behavior relationships. Recommendations are provided to steer investigators around these "troubles" with salivary testosterone.