Average hemodynamic evolution throughout pregnancy of total body water (TBW), extracellular water (ECW), intracellular water (ICW) and ECW/TBW (ECW%).

Average hemodynamic evolution throughout pregnancy of total body water (TBW), extracellular water (ECW), intracellular water (ICW) and ECW/TBW (ECW%).妊娠期全身总水量（total body water, TBW）、细胞外液（extracellular water, ECW）、细胞内液（intracellular water, ICW）以及细胞外液与全身总水量的比值（ECW%）的平均血流动力学演化过程