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最近,卫生部门又劝告孕妇食谱中不应列入肝和肝制品。毒理学委员会 Acheson 指出,吃肝能导致孕妇体内维生素 A 达到危及胎儿健康的水平,并可能有致畸作用,包括耳朵缺陷、头面形态异常、唇裂、腭裂以及眼睛缺陷,甚至还可能发生比较罕见的中枢神经系统缺陷和胸腺发育不全。众所周知,在过去曾提倡孕妇的饮食中必须包括肝脏,因为肝含丰富的维生素,但最近的动物实验提示,如果牲畜喂养时添加促进生长的维生素 A(如肝脏制品都
Recently, the Ministry of Health also advised pregnant women not to include liver and liver products in their diet. Acheson of the Toxicology Board points out that eating liver can cause vitamin A levels in pregnant women to endanger fetal health and may have teratogenic effects, including ear defects, abnormal head morphology, cleft lip, cleft palates and eye defects, and even a rare central Nervous system defects and thymus hypoplasia. It is a well-known fact that the liver has to be included in the diet which motivates pregnant women in the past, because the liver is rich in vitamins. However, recent animal experiments suggest that if livestock are fed with growth-promoting vitamin A (such as liver products