Cardiovascular reactivity and proactive and reactive relational aggression among women with and without a history of sexual abuse

► We examine the association between cardiovascular reactivity and relational aggression. ► Participants include women with and without a history of childhood sexual abuse. ► Blunted reactivity predicted proactive relational aggression among women with a history of sexual abuse. ► Exaggerated reactivity predicted reactive relational aggression among women with a history of sexual abuse.