Kumar R, Cohen W R, Silva P, Epstein F H
J Clin Invest. 1979 Feb;63(2):342-4. doi: 10.1172/JCI109308.
Plasma 1,25-dihydroxyvitamin D levels are elevated in early pregnancy and continue to increase throughout pregnancy. They remain elevated postpartum in lactating women. The elevated levels probably represent a physiological response to increased calcium requirements.
孕早期血浆1,25-二羟维生素D水平升高,并在整个孕期持续上升。哺乳期妇女产后该水平仍维持升高状态。这种升高的水平可能是对钙需求增加的一种生理反应。