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Evidence for biological roots in the transgenerational transmission of intimate partner violence.

ABSTRACT: Intimate partner violence is a ubiquitous and devastating phenomenon for which effective interventions and a clear etiological understanding are still lacking. A major risk factor for violence perpetration is childhood exposure to violence, prompting the proposal that social learning is a major contributor to the transgenerational transmission of violence. Using an animal model devoid of human cultural factors, we showed that male rats became highly aggressive against their female partners as adults after exposure to non-social stressful experiences in their youth. Their offspring also showed increased aggression toward females in the absence of postnatal father-offspring interaction or any other exposure to violence. Both the females that cohabited with the stressed males and those that cohabited with their male offspring showed behavioral (including anxiety- and depression-like behaviors), physiological (decreased body weight and basal corticosterone levels) and neurobiological symptoms (increased activity in dorsal raphe serotonergic neurons in response to an unfamiliar male) resembling the alterations described in abused and depressed women. With the caution required when translating animal work to humans, our findings extend current psychosocial explanations of the transgenerational transmission of intimate partner violence by strongly suggesting an important role for biological factors.

SUBMITTER: Cordero MI

PROVIDER: S-EPMC3337076 | biostudies-literature | 2012 Apr

REPOSITORIES: biostudies-literature

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Evidence for biological roots in the transgenerational transmission of intimate partner violence.

Cordero M I MI Poirier G L GL Marquez C C Veenit V V Fontana X X Salehi B B Ansermet F F Sandi C C

Translational psychiatry 20120424

Intimate partner violence is a ubiquitous and devastating phenomenon for which effective interventions and a clear etiological understanding are still lacking. A major risk factor for violence perpetration is childhood exposure to violence, prompting the proposal that social learning is a major contributor to the transgenerational transmission of violence. Using an animal model devoid of human cultural factors, we showed that male rats became highly aggressive against their female partners as ad ...[more]

PMID: 22832906

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Project description:Financial inclusion is an area of growing global interest in women's empowerment policy and programming. While increased economic autonomy may be expected to reduce the prevalence of intimate partner violence, the mechanisms and contexts through which this relationship manifests are not well understood. This analysis aims to assess the relationship between women's financial inclusion and recent intimate partner violence using nationally-representative data from 112 countries worldwide. Levels of both financial inclusion and recent intimate partner violence varied substantially across countries (ranging from 2-100%, and 1-46%, respectively), and across regions. In multivariate global analyses, increased levels of women's financial inclusion were associated with lower levels of recent intimate partner violence after accounting for asset-based enablers of economic autonomy and gender norms; this relationship was lost upon the inclusion of measures of national context (i.e., development and fragility). These results underscore that the relationship between financial inclusion and recent intimate partner violence is complex, follows many pathways, and is affected by context. In low and middle income countries, asset-based enablers of economic autonomy, gender norms and national context explained much of the relationship between financial inclusion and recent intimate partner violence. In those low and middle income countries with high levels of controlling behavior by male spouses, financial inclusion was associated with higher levels of recent intimate partner violence. These findings further suggest that initiatives that aim to prevent intimate partner violence by way of increased economic autonomy may be ineffective in the absence of broader social change and support, and indeed, as seen in countries with higher levels of men's controlling behavior, backlash may increase the risk of violence. Efforts to improve women's financial inclusion need to recognize that its relationship with intimate partner violence is complex, and that it requires an enabling environment supportive of women's rights and autonomy.

Project description:ObjectiveThe association between intimate partner violence (IPV) and breastfeeding is unclear. We conducted a systematic review to summarise the evidence of breastfeeding outcomes following exposure to IPV.DesignSystematic review.MethodsWe searched for published studies without study design or language restrictions (up to July 2019) in the following databases: PubMed, Embase, SCOPUS and The Global Health Library. Studies assessing various breastfeeding outcomes (initiation, duration and exclusive breastfeeding) in women exposed to IPV in any form (physical, psychological or sexual) and at any stage (1 year pre-pregnancy, during or post-pregnancy) were included. Two authors independently selected the studies and conducted the quality appraisal by use of the Newcastle-Ottawa Scale. Results were summarised taking precision and quality into account.ResultsA total of 16 studies (participants n=414 393) were included and they adjusted for a total of 48 different confounders. The majority of studies were cross-sectional (n=11) and most studies were judged to be fair/low quality. Four out of seven studies found that IPV exposure shortened breastfeeding duration (adjusted ORs/aORs=0.22 (95% CI: 0.05-0.85), 1.18 (95% CI: 1.01-1.37), 5.92 (95% CI: 1.72-27.98), 1.28 (95% CI: 1.18-1.39)). Further, 5/10 studies found that IPV led to early termination of exclusive breastfeeding (aORs=1.53 (95% CI: 1.01-23.1), 0.83 (95% CI: 0.71-0.96), 1.35 (95% CI: 1.07-1.71), 0.17 (95% CI: 0.07-0.4), 1839 (95% CI: 1.61-2911)) and 2/6 studies found that IPV significantly reduced breastfeeding initiation (aORs=2.00 (95% CI: 1.2-3.3), 0.81 (95% CI: 0.7-0.93)).ConclusionIPV exposure appears to associate negatively with some breastfeeding outcomes. Individual patient data meta-analysis is required to quantify the magnitude of the association for specific IPV-outcome combinations. More high-quality studies and definition of core confounders are warranted.Prospero registration numberCRD42019129353.

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Evidence for biological roots in the transgenerational transmission of intimate partner violence.

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Evidence for biological roots in the transgenerational transmission of intimate partner violence.

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