妊娠期营养缺乏或过剩均可导致后代的不良结局。妊娠期营养缺乏近期可导致出生低体重儿、早产、出生先天畸形、围生期死亡[1]。尽管人类流行病学研究的证据还不确定,但动物实验研究表明,必需脂肪酸的缺乏可导致胎儿发育迟缓及视觉功能障碍[2]。妊娠期营养缺乏者的后代患2型糖尿 Nutritional deficiencies or excess during pregnancy can lead to undesirable outcomes for future generations. Lack of nutrition during pregnancy can lead to low birth weight infants, premature birth, birth congenital malformations, perinatal death [1]. Although the evidence for human epidemiological studies remains uncertain, animal studies have shown that lack of essential fatty acids can lead to fetal retardation and visual impairment [2]. Offspring of malnutrition during pregnancy suffer from type 2 diabetes