Women not receiving enough vitamin D take longer to get pregnant and may even increase their risk of having a miscarriage, a study has found. 一项研究发现,没有摄入足够维生素D的女性需要更长的时间才能怀孕,甚至可能面临更高的流产风险。 Researchers analyzed levels of the essential nutrient in the blood, before pregnancy and eight weeks after, of 1,200 women who had experienced a previous pregnancy loss and were hoping to conceive again. 研究人员比对分析了1200名女性孕前和孕后8周血液中必需营养素的水平,这些女性此前都曾经历过妊娠失败,并希望能重新受孕。 Those whose vitamin D levels were in line with recommended levels prior to conception were 15% more likely to have a live birth, and risk of miscarriage decreased as levels of the vitamin rose. 那些在孕前体内维生素D水平与推荐水平一致的女性活产的可能性要高出15%,流产风险会随着维生素D水平的提高而降低。 |