病历摘要患儿,男,4岁,血检号508,以智力低下于1985年1月8日来诊,出生时父龄30岁,母龄29岁。足月妊娠。1胎1产枕后位,胎儿宫内窘迫,以胎头吸引器、产钳助产分娩。出生体重3400g,曾抢救半月余。此后生长发育缓慢,肌张力低,至两岁时才会行走,至今口齿不清,仅对基本生活要求 Medical records Abstract Children, male, 4 years old, blood test No. 508, with mental retardation in January 8, 1985 visit, at the age of 30 years old father, mother of 29 years old. Full-term pregnancy. 1 childbirth occipital posterior position, fetal distress, fetal head suction device, forceps midwifery childbirth. Birth weight 3400g, had saved more than half a month. Since then slow growth and development, low muscle tone, to be two years old to walk, so far articulate, only for basic living requirements