A total of 42 mother-infant pairs completed the initial study visit; 2mother-infant pairs were excluded for maternal hyperphosphatemia (5.2 mg/dL[1.7nmol/L]) and maternal hypercalcemia (11.0mg/dL[2.8mmol/L]).There maining 40 pairs were randomized, with 20 per group, and al lcompleted the study.