these data suggest that 1 ) maternal intestinal calcium absorption might be increased by the action of increased serum 1 alpha,25- ( oh ) 2d3 and the maternal bone might be kept at the same density throughout pregnancy because serum ct protects the maternal skeleton by resisting the bone-resorption activities of 1 alpha,25- ( oh ) 2d3 ;
C0262950
bone
C0037253
skeleton