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- Title
Effect of lactation on bone health and body composition of urban Indian mothers up to 1 year postpartum.
- Authors
Kajale, Neha; Khadilkar, Anuradha V.; Chiplonkar, Shashi; Khadilkar, Vaman
- Abstract
Objective: Lactation is highly active phase for bone turnover. Objective was to study change in bone parameters and body composition in higher socio-economic status urban Indian women up to 1 year postpartum (PP). Materials and Methods: A longitudinal study on randomly selected 50 primiparous (27.8 ± 3.5 yr) PP women (within 7 days) was performed and 22 women were followed up at 6 months, out of which 10 were followed till 1 yr PP (data addition is ongoing). Data on anthropometry, body composition, bone mineral density (BMD) at total body (TB), AP spine (APS) and dual femur (DF) neck region by dual energy X-ray absorptiometry (DEXA) was collected at baseline, 6 months and 1 yr PP. Statistical analysis was performed using SPSS software (version 16), using paired T test to compare means at baseline with 6 month and baseline with 1 yr PP. Results: Preliminary data-analysis suggest that there was decrease in weight (8% and 11%), waist (8% and 7%) and body mass index (BMI) (8 and 11 %) was seen both at 6 month and 1 yr PP respectively with respect to baseline. Lean body mass (LBM) decreased significantly at 6 month (8%) with further reduction (11 %) at 1 yr (P < 0.05). Bone mineral content (BMC) and BMD at all sites decreased initially at 6 months, however, at 1 yr significant increase in BMC and BMD was observed (P < 0.05). When BMC was adjusted for LBM (univariate analysis) at 1 yr, there was further decrease in BMC as compared to 6 months, indicating effect of decreased LBM on BMC. Significant increase in android fat was seen at 6 month and it remained elevated at 1 yr (P <0.05). Conclusion: Along with reduction in weight, waist, and BMI, LBM and BMC also decreased at 1 yr PP in conjunction with increase in android fat percent indicating risk for low bone health after weaning.
- Subjects
LACTATION; BONE diseases; BONE density; PSYCHOLOGY of women; NATIVE American women
- Publication
Indian Journal of Endocrinology & Metabolism, 2013, Vol 17, Issue S1, pS374
- ISSN
2230-8210
- Publication type
Article