Related Experiment Video
Updated: Mar 21, 2026
04:20
Author Spotlight: Exploring Microglial Interactions with Stress-Response Circuitry Using the Limited Bedding and Nesting Model
Published on: July 12, 2024
2.8K
Does childhood trauma influence offspring's birth characteristics?
Denny Vågerö1, Kristiina Rajaleid1,2
1Centre for Health Equity Studies, Stockholm University / Karolinska Institutet, Stockholm, Sweden.
International Journal of Epidemiology
|May 7, 2016
Summary
Childhood parental death in Sweden predicted lower birthweight and premature birth in offspring. This effect was linked to the parent
Area of Science:
- Epigenetics and developmental biology
- Human reproductive health
- Transgenerational inheritance studies
Background:
- A hypothesis suggests male-line transgenerational epigenetic effects triggered by childhood trauma.
- Evidence for this hypothesis is limited, based on small epidemiological studies.
- This study investigates the impact of childhood trauma on offspring birth outcomes.
Purpose of the Study:
- To examine the association between parental death during childhood and offspring birth size and prematurity risk.
- To test the Pembrey-Bygren hypothesis regarding trauma during the slow growth period.
- To determine if parental death during childhood perpetuates social inequalities in birth outcomes.
Main Methods:
- Analysis of nearly 800,000 offspring (G3) born in Sweden (1976-2002).
- Inclusion of individuals with traceable parents (G2) and grandparents (G1).
- Examination of G2 parental death during childhood as a trauma indicator, controlling for confounders.
Main Results:
- Parental death during G2 childhood predicted G3 premature birth and lower birthweight.
- The effect varied by G2 gender, G2 age at exposure, and G3 parity.
- Offspring gender did not influence the observed response.
Conclusions:
- Results support the hypothesis of trauma-induced transgenerational effects, particularly in males during their slow growth period.
- Trauma timing in girls may involve different pathways.
- Parental death during childhood did not significantly contribute to the intergenerational transmission of social inequalities in birth outcomes.
Related Concept Videos
01:10Nature and Nurture
22.7K
Many human characteristics, like height, are shaped by both nature—in other words, by our genes—and by nurture, or our environment. For example, chronic stress during childhood inhibits the production of growth hormones and consequently reduces bone growth and height. Scientists estimate that 70-90% of variation in height is due to genetic differences among individuals, and 10-30% of variation in height is due to differences in the environments that individuals experience,...
22.7K
01:07Teratogenicity
4.5K
The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
4.5K
01:30Socioemotional Development during Infancy
1.1K
Socio-emotional development in infancy is primarily shaped by early emotional responses and social connections, with temperament playing a central role. Temperament refers to the consistent patterns in an individual's emotional and behavioral responses, observable even in infancy. By examining temperament, researchers can better understand an infant's unique ways of interacting with the world, influencing subsequent personality and socio-emotional growth.
Primary Temperament Types
Primary Temperament Types
1.1K
01:28Relationship with Parents: Attachment
334
Parent-child interactions lay the foundation for how we understand relationships throughout life. These interactions are not uniform across families; instead, they are shaped by a range of environmental, emotional, and behavioral factors unique to each caregiver-child dynamic. Social psychologists study these early relationships to understand how patterns formed in infancy influence social functioning and interpersonal behavior in adulthood.Attachment Theory and Early Relational ModelsJohn...
334
01:27Post-traumatic Stress Disorder
815
Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium.
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events,...
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events,...
815
01:28Causes of Social Behavior III: Biological and Environmental Influences
409
Social behavior is a complex phenomenon that arises from the interaction between biological predispositions and environmental influences. This intricate interplay shapes how individuals think, feel, and act in various social contexts. Understanding these mechanisms requires insights from psychology, neuroscience, genetics, and evolutionary theory.Environmental Influences on Social BehaviorEnvironmental factors, including temperature, odors, and visual stimuli, play a crucial role in shaping...
409