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Introduction Obesity and excessive weight gain during pregnancy have lasting implications for both women and infant health. Adverse childhood experiences and stressful life events have been associated with pre-pregnancy obesity and excessive gestational weight gain. However, the effect of each has been examined independently and scant work has investigated the effects of both in the same analysis. The current study examined the unique and conjoint effects of adverse childhood experiences and recent stressful life events on women's pre-pregnancy BMI and gestational weight gain. Methods A racially and socioeconomically diverse sample of 176 pregnant women completed questionnaires and anthropometric measurements during the third trimester and two months postpartum. Results Maternal adverse childhood experiences were uniquely associated with pre-pregnancy BMI ([beta] = 0.21, p = .02), but not gestational weight gain. Recent stressful life events did not uniquely predict pre-pregnancy BMI or gestational weight gain, nor did it explain the association between adverse childhood experiences and pre-pregnancy BMI. Adverse childhood experiences and recent stressful life events did not interact to predict either of the women's weight outcomes. Discussion Adverse childhood experiences have lasting unique effects on women's pre-pregnancy BMI. Obesity is related to several perinatal health issues for the mother and child, thus understanding the effects of childhood adversity on women's weight outcomes is critical. Routine screening for ACEs among women of childbearing age and pregnant women, paired with referrals and educational resources, can mitigate the deleterious effects of childhood adversity on women and infant health., Author(s): Savannah A. Girod [sup.1] , Cheryl Buehler [sup.1] , Lauren G. Bailes [sup.2] , Esther M. Leerkes [sup.1] , Laurie Wideman [sup.1] , Lenka H. Shriver [sup.1] Author Affiliations: [...]

We examined if there were profiles of infants' behavioural and physiological responses during the still‐face and if these profiles were predicted by maternal sensitivity. Participants included 230 mothers (40.4% non‐white) and their 2‐month‐old infants (48.7% female). Three profiles were identified: continually increasing negative affect and decreasing respiratory sinus arrhythmia (RSA) (17.39%); modest, classic still‐face effect for negative affect and RSA (64.35%); high negative affect, late decreasing RSA (18.26%). Infants of highly sensitive mothers were more likely to be in the modest, classic still‐face effect for negative affect and RSA profile than in the continually increasing negative affect and decreasing RSA and the high negative affect, late decreasing RSA profiles. Additionally, infants of mothers who were high in maternal sensitivity were more likely to be in the continually increasing negative affect and decreasing RSA profile compared to the high negative affect, late decreasing RSA profile. The findings demonstrate heterogeneity in infant responses and that maternal sensitivity is an important predictor of children's behavioural and physiological responses to stressors. [ABSTRACT FROM AUTHOR]