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Women with a history of adverse childhood experiences (ACEs) enter pregnancy and the postpartum with a physiologic system programmed by early life stress, potentially reflected in psychophysiologic reactivity.We enrolled pregnant, psychiatrically healthy women ≥18 years old. Using the ACE Questionnaire, women were categorized as high (≥2 ACEs; n = 77) or low ACE (2 ACEs; n = 72). Participants completed an affective modulation of acoustic startle response (ASR) task during pregnancy and postpartum, in which ASR magnitude was measured while participants viewed pleasant, unpleasant, and neutral pictures. Two types of control trials were included (habituation trials presented at baseline and intertrial interval trials presented when no picture was present).Among high ACE women, ASR was significantly higher postpartum compared with pregnancy in the unpleasant (p = 0.002, β = 0.46, 95% CI [0.18, 0.74], χPhysiological reactivity increased in high ACE women from pregnancy to postpartum, but no change was observed in low ACE women. |
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