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Intergenerational Impacts of Maternal Stress on Early Childhood Atopy in Black Americans
Melissa L Engel1, Madeline R Pike2, Madeleine F Cohen1
1Department of Psychology, Emory University, USA.
Insights
Maternal stress may not directly predict atopic diseases in Black children. However, warm and responsive parenting can mitigate the link between maternal stress and offspring atopy, highlighting its protective role.
Area of Science:
- Pediatric Allergy and Immunology
- Maternal-Child Health
- Stress and Health Disparities
Background:
- Black children experience disproportionately high rates of atopic diseases, including atopic dermatitis, allergic rhinitis, asthma, and food allergies.
- Existing research on maternal stress and offspring atopy is primarily based on White populations, with limited understanding in Black communities.
- Health disparities in atopic diseases are evident from early life stages in Black children.
Purpose of the Study:
- To investigate the association between maternal stress indicators (self-reported and physiological) and the risk of atopy in Black offspring.
- To explore the potential protective role of warm and responsive caregiving in mitigating the effects of maternal stress on offspring atopy among Black Americans.
Main Methods:
- A prospective longitudinal study involving 179 Black mother-child dyads across diverse socioeconomic statuses.
- Mothers provided self-reported data on childhood trauma, prenatal, and postnatal stress, and offspring's physician-diagnosed atopy.
- Physiological stress markers were assessed via blood samples, and mother-infant interactions were observed during a behavioral task.
Main Results:
- Maternal self-reported stress (childhood trauma, prenatal/postnatal stress) did not correlate with offspring atopy by 2-3 years of age.
- A diminished maternal inflammatory response during pregnancy was associated with a higher likelihood of offspring atopy.
- High levels of warm and responsive parenting appeared to buffer the association between maternal stress and offspring atopy.
Conclusions:
- The relationship between maternal stress and offspring atopy is complex and may not be directly replicated in Black populations using existing models.
- Further research is needed to understand the specific stressors impacting Black Americans and to validate caregiving as a protective factor.
- Warm and responsive parenting emerges as a significant factor that may protect Black children from developing atopic diseases in the context of maternal stress.
Objective:
Black children are disproportionately affected by atopic diseases (i.e., atopic dermatitis, allergic rhinitis, asthma, and food allergies), with health disparities present in early life. Studies in White samples suggest that maternal stress confers risk for offspring atopy, yet little is known about these relationships in Black populations. This study seeks to (a) examine the relationship between self-reported and physiological indicators of maternal stress and offspring atopy and (b) explore warm and responsive caregiving as a potential protective factor in Black Americans.
Methods:
A sample of 179 Black mother-child dyads of varying socioeconomic status participated in a prospective longitudinal study. Mothers completed self-reports of childhood trauma, prenatal stress, postnatal stress, and physician diagnosis of offspring atopy; provided blood samples to assess physiological responses to chronic stress exposure; and participated in a behavioral task with their infant.
Results:
Maternal self-reports of childhood trauma, prenatal stress, and postnatal stress were not associated with offspring diagnosis of atopy by 2-3 years of age. Mothers who produced a smaller inflammatory response during pregnancy were more likely to have an offspring with atopy by 2-3 years of age. Warm and responsive parenting demonstrated a protective effect; the positive association between maternal stress and offspring atopy was less apparent in cases of mother-child interactions characterized by high levels warm and responsive parenting.
Conclusion:
Failure to replicate previous findings suggests that the maternal stress-offspring atopy relationship is complex. Future studies must examine the unique stressors in Black Americans, as well as caregiving as a potential protective factor.
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