关键词: 胎儿发育不良, 维生素, 胎儿严重致死性畸形

Abstract: Fertilized egg, embryo and fetus are three stages of fetus growth In maternal intrauterine . Any factors caused by the mother Or the fetus can affect intrauterine growth of fertilized egg, embryo and fetus, some serious factors Not only lead to embryonic growth cease but also fetal intrauterine death. Lack of vitamin can induce human diseases, vitamin requirements is increased in maternal women during pregnancy, The abnormal of the fetal organs and fetal dysplasia will be happened If insufficient of vitamin intake,supplement, and not been increased or increased not timely. Becaue Some severe fetal abnormalities can cause fetal death, pregnancy women should pay attention to pregnancy processing of fetal growth screening by Blood tests ,ultrasound or piercing amnio test in time . IF we can do such things as following : Strengthen the maternal-fetal health care, pay attention to the eugenics, Improve the nutritional status of pregnant women and children ,Reasonable deployment of diet, appropriate vitamin supplements and To understand the effect of a variety of vitamins and the correlation of fetal development.There will be a great significance to reduce neonatal birth defects , the prevention and treatment of women and children deficiency disease, improve the quality of the population.

Key words: fetal dysplasia, Vitamin, serious fatal malformation fetus