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Does behavioral intervention in pregnancy reduce postpartum weight retention? Twelve-month outcomes of the Fit for Delivery randomized trial.

ABSTRACT: Excessive weight gain during pregnancy is a risk factor for postpartum weight retention and future weight gain and obesity. Whether a behavioral intervention in pregnancy can reduce long-term weight retention is unknown.This randomized trial tested whether a low-intensity behavioral intervention to prevent excessive gestational weight gain could increase the proportion of women who returned to prepregnancy weight by 12 mo postpartum.Women (n = 401, 13.5 wk of gestation, 50% normal weight, 50% overweight/obese) were randomly assigned into an intervention or control group; 79% completed the 12-mo assessment. The telephone-based intervention targeted gestational weight gain, healthy eating, and exercise and was discontinued at delivery.In modified intent-to-treat analyses that excluded women with miscarriages (n = 6), gestational diabetes (n = 32), or subsequent pregnancies (n = 32), the intervention had no significant effect on the odds of achieving prepregnancy weight at 12 mo postpartum (n = 331; 35.4% compared with 28.1%; P = 0.18). Completer analyses suggested that the intervention tended to increase the percentages of women who reached prepregnancy weight (n = 261; 45.3% compared with 35.3%; P = 0.09) and significantly reduced the magnitude of mean ± SD postpartum weight retained (1.4 ± 6.3 compared with 3.0 ± 5.7 kg; P = 0.046) at 12 mo. Women in the intervention group reported higher dietary restraint through 6 mo postpartum (P = 0.023) and more frequent self-monitoring of body weight (P < 0.02 for all) throughout the study.A low-intensity behavioral intervention in pregnancy can reduce 12-mo postpartum weight retention and improve dietary restraint and self-weighing in study completers. Future research is needed to test the long-term effects of more intensive behavioral interventions in pregnancy. This trial was registered at clinicaltrials.gov as NCT01117961.

SUBMITTER: Phelan S

PROVIDER: S-EPMC3893723 | biostudies-literature | 2014 Feb

REPOSITORIES: biostudies-literature

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Does behavioral intervention in pregnancy reduce postpartum weight retention? Twelve-month outcomes of the Fit for Delivery randomized trial.

Phelan Suzanne S Phipps Maureen G MG Abrams Barbara B Darroch Francine F Grantham Kelsey K Schaffner Andrew A Wing Rena R RR

The American journal of clinical nutrition 20131127 2

<h4>Background</h4>Excessive weight gain during pregnancy is a risk factor for postpartum weight retention and future weight gain and obesity. Whether a behavioral intervention in pregnancy can reduce long-term weight retention is unknown.<h4>Objective</h4>This randomized trial tested whether a low-intensity behavioral intervention to prevent excessive gestational weight gain could increase the proportion of women who returned to prepregnancy weight by 12 mo postpartum.<h4>Design</h4>Women (n = ...[more]

PMID: 24284438

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Project description:BACKGROUND:An understanding of the dietary behaviors linked to substantial postpartum weight retention, particularly in women diagnosed with gestational diabetes (GDM), is warranted to focus intervention efforts to prevent future type 2 diabetes. This study evaluates the relationship between dietary food intake at 6-9 weeks postpartum (baseline) and odds of substantial postpartum weight retention (? 5 kg) at 1-year in women with GDM. METHODS:The Study of Women, Infant Feeding and Type 2 Diabetes after GDM pregnancy (SWIFT) is a prospective multi-ethnic cohort (75% minority) of 1035 women (aged 20-45 years) with recent GDM who delivered a singleton, live birth (?35 weeks gestation) and underwent 2-h 75 g OGTTs, anthropometric measurements and other assessments at 6-9 weeks postpartum (baseline) and annually thereafter. Eight hundred and eighty-eight women without diabetes at baseline completed the 18-item PrimeScreen to assess dietary intake and the 13-item Caffeine Survey to assess beverage intake, and completed 1-year follow-up. Average postpartum weight retention was calculated (1-year postpartum weight minus pre-pregnancy weight). Multivariable logistic regression models that estimated baseline dietary intake and odds of substantial postpartum weight retention (SPPWR ?5 kg above pre-pregnancy weight) versus not SPPWR adjusted for numerous clinical, sociodemographic and behavioral covariates. RESULTS:Compared to eating no fried foods, women who reported eating fried foods ?5 servings/wk. (n = 32) and 2-4 serv/wk. (n = 208), respectively, had a three-fold and two-fold higher odds of SPPWR (OR = 3.38, 95% CI:1.36-8.38, P = 0.009; OR = 1.99, 95% CI:1.30-3.03, P = 0.02), after adjustment for covariates and other foods and soda intake. Soda intake ?2 serv/wk. versus none was associated with higher odds of SPPWR (OR = 1.95, 95% CI:1.22-3.11, P = 0.005) adjusted for fried foods and covariates, but was attenuated (OR = 1.61,95% CI:0.98-2.66, p = 0.06) after addition of whole eggs and processed meats. CONCLUSIONS:These findings indicate that interventions should focus on reducing fried foods and soda intake during early postpartum periods to reduce substantial postpartum weight retention in high-risk women with GDM. TRIAL REGISTRATION:NCT01967030; October 2013, Eunice Kennedy Shriver National Institute of Health and Human Development (NICHD).

Project description:BACKGROUND:The rising prevalence of maternal overweight/obesity and excessive gestational weight gain poses a serious public health concern due to the contribution of these factors to increased risk of negative health outcomes for both mother and child. Scant intervention research has indicated moderate short-term improvement in maternal diet and gestational weight gain, with little evidence of long-term behavior change, in parallel with findings from interventions outside of pregnancy. Recent laboratory-based findings from neuroscience implicate aberrant reward processing of food at the brain level ("food reward sensitivity," the between-individual variation in the response to food stimuli) as a contributor to eating beyond energy needs. However, scant research has examined the influence of these processes on weight change in population-based settings, and the relevance of these processes to pregnancy-related weight change has not been explored. The purpose of the Pregnancy Eating Attributes Study (PEAS) is to examine the role of food reward sensitivity in maternal diet and weight change during pregnancy and postpartum. The study examines the interplay of food reward sensitivity with behavioral control, home food environment, and related aspects of eating behavior in the context of weight-related biomedical, psychosocial, genetic and behavioral factors including physical activity, stress, sleep and depression. METHODS:Women of varying baseline weight status (n = 450) are enrolled early in pregnancy and followed, along with their infants, until 1 year postpartum. Assessments occur during each trimester of pregnancy, and postpartum at approximately 2 months, 6 months, 9 months and 12 months. Maternal food reward, self-control, home food environment, eating behaviors, dietary intake, health behaviors, and anthropometrics are assessed along with maternal and infant clinical and biological data, infant anthropometrics, and feeding practices. Primary exposures of interest include food reward sensitivity, behavioral control, and home food environment. Primary outcomes include gestational weight gain, postpartum weight retention and maternal diet quality. DISCUSSION:With increasing evidence suggesting the relevance of food reward sensitivity for understanding eating behavior, PEAS aims to advance understanding of the determinants of eating behavior during pregnancy, informing future interventions for improving maternal diet and weight change, and leading to improved maternal and child health and weight trajectories. TRIAL REGISTRATION:Clinicaltrials.gov, NCT02217462. Date of registration: August 13, 2014.

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Does behavioral intervention in pregnancy reduce postpartum weight retention? Twelve-month outcomes of the Fit for Delivery randomized trial.

Publications

Does behavioral intervention in pregnancy reduce postpartum weight retention? Twelve-month outcomes of the Fit for Delivery randomized trial.

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