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Changes in body composition of Indian lactating women: a longitudinal study

本文正式版本已出版,請見:10.6133/apjcn.092015.16

並列摘要


Background: Lactation places enormous demands on maternal bone mineral homeostasis. Indian middle class women (MSC) consume energy dense food supplements to meet these demands post-partum (PP) along with restricted physical activity (PA). Effects of these changes on body composition (BC) of PP women have not been studied. Objectives :To examine longitudinal changes in :a) bone mineral density (BMD) at total body (TB), AP-spine (APS) and dual femur neck regions (DF) b) BC by body weight (Wt), lean mass ,fat mass using Dual Energy X ray Absorptiometry (DXA) at baseline , 6- months and 1-year in urban MSC women. Design: 76-primi-parous (28 3.2yrs) randomly selected PP women (<7-days) were studied; 70 reassessed at 6-months and 42 1-yr PP. Data on anthropometry, BC, BMD at TB, APS & DF by DXA collected ( baseline, 6-months, 1-yr PP). Results: Weight, waist and Body Mass Index (BMI) decreased both at 6-month & 1-yr PP with respect to baseline (p<0.05). BC changes showed increase in android fat% at 1-yr by 10% over baseline (p<0.05). BMD with initial decline at 6-months (-2.8%, -2.3% and -2.3% respectively) recovered partially by 1-yr (+2.5% +1.2% and +4.8% respectively) at DF and TB with complete recovery at AP-spine (p<0.05). Conclusion: These urban relatively sedentary MSC women consumed fat rich food PP with higher android fat retention and partial recovery of BMD at DF and TB at 1-year. Modifications in activity and dietary nutrient intakes may be necessary to prevent cardiovascular and bone health related risks.

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