胎儿生长受限有被叫做胎儿宫内生长迟缓或胎儿营养不良综合征,主要是指胎儿体重比该孕龄平均胎儿体重的第10个百分位低或者是存在2个标准差的胎儿。引起胎儿生长受限的因素比较复杂,除了母体因素之外,环境、病理等等也是非常重要的影响因素,病情在妊娠前精子的状态也是影响因素之一。这些都会让的细胞数目产生异常化,或者是细胞体积异常化,以产生疾病。【诊断】(一)症状 Fetal growth restriction has been called fetal growth retardation or fetal malnutrition syndrome, mainly refers to the fetus weight than the average gestational age fetal weight tenth percentile or there are two standard deviations fetus. Factors that cause fetal growth restriction is more complicated, in addition to the maternal factors, the environment, pathology and so on are also very important influencing factors, the condition of the sperm in pregnancy before pregnancy is also one of the influencing factors. These will make the number of abnormal cells, or abnormal cell volume to produce disease. 【Diagnosis】 (A) symptoms