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Fat mass (FM) and fat‐free mass (FFM) in Japanese women during and after pregnancy. (a) Prepregnancy body mass index <25 kg/m2. (b) Prepregnancy body mass index ≥25 kg/m2. *P < 0.05. G1, first trimester; G2, second trimester; G3, third trimester; P, postpartum.
