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Postpartum Physical Activity and Weight Retention within One Year: A Prospective Cohort Study in Vietnam.

ABSTRACT: After delivery, mothers are encouraged to increase physical activity (PA) gradually to regulate body weight; however, data on PA in relation to postpartum weight retention remains scarce, particularly among Asian women. In a cohort of 1617 Vietnamese mothers, we investigated the prospective association between habitual PA exposures at 3-month postpartum and weight retention at 6-month and 12-month postpartum. Detailed information on PA intensity and domains was collected from participants using a validated instrument specifically for Vietnamese women. Linear regression analyses and a general linear model for the repeated weight retention measures were used to ascertain the apparent relationships. On average, the participants reported 3.6 (SD 3.9) and 2.6 (SD 3.8) kg weight loss at 6- and 12-month postpartum, respectively. Total and light-intensity PA were inversely associated with the postpartum weight retention (p for trend <0.05). Our findings highlight the importance of resuming PA in the early postpartum period as an appropriate weight management strategy.

SUBMITTER: Ha AVV

PROVIDER: S-EPMC7038097 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature

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Postpartum Physical Activity and Weight Retention within One Year: A Prospective Cohort Study in Vietnam.

Ha Anh Vo Van AVV Zhao Yun Y Binns Colin W CW Pham Ngoc Minh NM Nguyen Phung Thi Hoang PTH Nguyen Cong Luat CL Chu Tan Khac TK Lee Andy H AH

International journal of environmental research and public health 20200210 3

After delivery, mothers are encouraged to increase physical activity (PA) gradually to regulate body weight; however, data on PA in relation to postpartum weight retention remains scarce, particularly among Asian women. In a cohort of 1617 Vietnamese mothers, we investigated the prospective association between habitual PA exposures at 3-month postpartum and weight retention at 6-month and 12-month postpartum. Detailed information on PA intensity and domains was collected from participants using ...[more]

PMID: 32050525

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Project description:BackgroundPer- and polyfluoroalkyl substances (PFAS) are synthetic chemicals found in drinking water and consumer products, resulting in ubiquitous human exposure. PFAS have been linked to endocrine disruption and altered weight gain across the lifespan. A limited and inconsistent body of research suggests PFAS may impact gestational weight gain (GWG) and postpartum body mass index (BMI), which are important predictors of overall infant and maternal health, respectively.MethodsIn the Understanding Pregnancy Signals and Infant Development (UPSIDE/UPSIDE-MOMs) study (n = 243; Rochester, NY), we examined second trimester serum PFAS (PFOS: perfluorooctanesulfonic acid, PFOA: perfluorooctanoic acid, PFNA: perfluorononanoic acid, PFHxS: perfluorohexanesulfonic acid, PFDA: perfluorodecanoic acid) in relation to GWG (kg, and weekly rate of gain) and in the postpartum, weight retention (PPWR (kg) and total body fat percentage (measured by bioelectrical impedance)). We fit multivariable linear regression models examining these outcomes in relation to log-transformed PFAS in the whole cohort as well as stratified by maternal pre-pregnancy BMI (< 25 vs. = > 25 kg/m2), adjusting for demographics and lifestyle factors. We used weighted quantile sum regression to find the combined influence of the 5 PFAS on GWG, PPWR, and body fat percentage.ResultsPFOA and PFHxS were inversely associated with total GWG (PFOA: ß = -1.54 kg, 95%CI: -2.79, -0.30; rate ß = -0.05 kg/week, 95%CI: -0.09, -0.01; PFHxS: ß = -1.59 kg, 95%CI: -3.39, 0.21; rate ß = -0.05 kg/week, 95%CI: -0.11, 0.01) and PPWR at 6 and 12 months (PFOA 6 months: ß = -2.39 kg, 95%CI: -4.17, -0.61; 12 months: ß = -4.02 kg, 95%CI: -6.58, -1.46; PFHxS 6 months: ß = -2.94 kg, 95%CI: -5.52, -0.35; 12 months: ß = -5.13 kg, 95%CI: -8.34, -1.93). PFOA was additionally associated with lower body fat percentage at 6 and 12 months (ß = -1.75, 95%CI: -3.17, -0.32; ß = -1.64, 95%CI: -3.43, 0.16, respectively) with stronger associations observed in participants with higher pre-pregnancy BMI. The PFAS mixture was inversely associated with weight retention at 12 months (ß = -2.030, 95%CI: -3.486, -0.573) amongst all participants.ConclusionPFAS, in particular PFOA and PFHxS, in pregnancy are associated with altered patterns of GWG and postpartum adiposity with potential implications for fetal development and long-term maternal cardiometabolic health.

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 Less than 1% of married women in Tanzania use an Intrauterine Contraceptive Device (IUD) for contraception. An initiative by the International Federation of Gynecology and Obstetrics (FIGO) has been in progress since 2015 resulting in escalated method uptake in implementing hospitals. This study investigates failure rate, complications, and risk factors for one-year continuation of TCu380A IUD when used for immediate postpartum contraception under the initiative in Tanzania. Methodology A prospective cohort study of women who had TCu380A insertion within 48?h of delivery in 6 hospitals in Tanzania between 1st December 2017 and 18th April 2018 was conducted. Face to face post insertion interviews were made with 1114 clients before discharge and later through phone calls up to the beginning of 13th month postpartum. Postpartum Intrauterine Device (PPIUD) continuation status, complications, duration of time they stayed with the IUD and the currently used method if PPIUD was discontinued were enquired. The outcome variable was PPIUD continuation at one year of IUD insertion. Data were analyzed using Statistical Product and Service Solutions software (SPSS) for Windows version 20 (IBM SPSS Statistics, Chicago, IL, USA). Results In total 511(45.8%)clients had consented and availed to complete the one-year follow-up. Out of these, 440 still had IUD, giving a one-year continuation rate of 86.1%. Most (63%) IUD discontinuations occurred in the period between 7th week and 6?months of insertion. One-year method expulsion rate was 2.1%. There was one reported pregnancy that gives a method failure rate of about 2 per 1000. The independent risk factors in favor of method continuation at one year were absence of medical or social problem, being a youth (16–24?years), and delivery by Cesarean section. Conclusions The continuation rate when CuT380A is used for immediate postpartum contraception is high, with low complication and failure rates. Some medical and social factors are important for method continuation, hence the need to consider in training, counselling and advocacy.

Dataset Information

Postpartum Physical Activity and Weight Retention within One Year: A Prospective Cohort Study in Vietnam.

Publications

Postpartum Physical Activity and Weight Retention within One Year: A Prospective Cohort Study in Vietnam.

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