本文报告患儿母亲25岁,多产,于2岁和7岁时曾接种抗风疹疫苗,并证明具有抗风疹免疫力。在其妊娠初3个月,居住区曾发生过风疹流行,妊娠7周时超声波显示胎儿发育正常,但在妊娠7～9个月间,胎儿生长较差,超声检查显示严重的宫内发育迟缓和羊水过少。后经剖腹生产,婴儿具有先天性感染的特征。胎盘小但无异常,婴儿发育迟缓, This article reports that mothers with children are 25 years old, prolific, and vaccinated against rubella at 2 and 7 years of age and have demonstrated immunity to rubella. In the first trimester of pregnancy, there was a prevalence of rubella in the residential area. Ultrasound at 7 weeks of gestation showed normal fetal development. However, during 7-9 months of gestation, fetal growth was poor and sonographic findings showed severe intrauterine growth retardation And oligohydramnios. After caesarean section, the baby has the characteristics of congenital infection. Small placenta but no abnormalities, baby stunting,