随着围产医学的发展，产科质量的提高，死产和新生儿死亡率逐步减少，而死胎在围产儿死亡中的比例则相对增加［’j。欲降低围产儿的死亡率，减少死胎的发生是重要一环。本文通过对112例死胎（妊娠28周后胎死宫内）进行回顾性分析，目的在于探讨死胎的病因，寻找预防对策。116＄ With the development of perinatal medicine, the quality of obstetrics increases, the mortality rate of stillbirths and newborns gradually decreases, and the proportion of stillbirths in perinatal deaths has increased relatively [14]. To reduce perinatal mortality and reduce the incidence of stillbirth is an important part. In this paper, a retrospective analysis of 112 stillbirths (intrauterine fetal death after 28 weeks gestation) was conducted in order to explore the etiology of stillbirth and to find preventive measures. 116 $