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Fat-free mass prediction equation for Moroccan women in the 1st trimester of pregnancy using bioelectrical impedance analysis and deuterium oxide dilution.

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A.Hamrani|H.Belghiti|K.El Kari| A.Barkat|H. Aguenaou|N. Mokhtar.

International Journal of Body Composition Research 2012 Vol. 10 No. 1: 15–20

OBJECTIVES: Determination of body composition by deuterium oxide dilution, development and validation of bioelectrical impedance prediction equation for Moroccan women in the 1st trimester of pregnancy.

SUBJECTS /METHODS: 26 pregnant women in the 1st trimester aged 19-40 years from urban area were included. Anthropometric parameters were measured, total body water, fat-free mass and fat mass were determined by deuterium oxide dilution, whereas resistance and reactance were measured at 50 kHz by bioelectrical impedance.

RESULTS: The prediction equation is: fat-free mass by ²H2O in kg = 0.788 × Height² in cm²/Resistance in Ω + 0.279 × Body weight in kg – 6.824; with R² = 0.92 and standard error of the estimate = 2.06 kg. The bias = -1.26 kg, confidence interval was -2.80, +0.26 kg and the pure error was 2.53.

CONCLUSION: The BIA equation is accurate, precise and valid to be used to assess body composition in Moroccan pregnant women during the 1st trimester.

Download Paper – FAT-FREE MASS PREDICTION EQUATION FOR MOROCCAN WOMEN IN THE 1ST TRIMESTER OF PREGNANCY USING BIOELECTRICAL IMPEDANCE ANALYSIS AND DEUTERIUM OXIDE SOLUTION

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