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动物过量摄入天然的维生素A人类或动物摄取过量人工合成的具有维生素A活性的一些药物可使胎儿致畸。 研究1984年10月～l987年6月对22748例孕妇经母体血α-FP或羊膜穿刺测定羊水α-FP,研究维生素A摄入量与胎儿畸形的关系。 分娩的婴儿有缺陷的共339例。将其每天
Excessive Ingestion of Natural Vitamin A by Animals Excessive amounts of synthetic medications that have vitamin A activity in humans or animals can cause teratogenic effects in the fetus. From October 1984 to June 1987, 22748 pregnant women were tested for amniotic fluid α-FP by maternal plasma α-FP or amniocentesis to study the relationship between vitamin A intake and fetal malformation. A total of 339 infants with defective deliveries. Take it everyday