Howeer, the risk was reduced by 38 percent for women who took high estrogen and high progestin pills, while the risk reduction was 81 percent for those taking pills with low leels of both hormones.

• 然而，服用雌激素和黄体酮含量高的药片的女性，这个降低的几率值为38%25，服用激素含量低的药片的女性，这个值为81%25。