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例1 预产期1982年4月4日,于5月3日在胎儿监护仪下作NST可疑阴性,OCT阳性,尿E_3,14．5mg/24小时,E/C值11;阴道细胞学涂片示胎盘功能减退。行剖腹产,见粘稠胎粪样羊水20余毫升,胎儿、脐带、胎盘均黄染,新生儿Apgar即刻评分4分,经抢救存活。查胎盘见母面梗塞5×6cm,占全胎盘的1/4,并有多处钙化点。例2 预产期1982年5月8日,自述胎动消失2天于5月25日入院。入院时胎心144,3小时后减慢为112,经吸氧和胎心保护升至128,立即剖腹产,见少许胎粪样羊水,新生儿评分1分,经抢救无效死亡。查胎盘见广泛散在钙化点及面积达1/2以上的梗塞．
Example 1 The expected date of April 4, 1982, on May 3 in the fetal monitor NST suspicious negative, OCT-positive, urine E_3, 14.5mg / 24 hours, E / C value of 11; vaginal cytology smear Placental dysfunction. Caesarean section, see the sticky meconium-like amniotic fluid more than 20 ml, fetus, umbilical cord, placenta are yellow stained, neonatal Apgar score immediately 4 points, the survival of the rescue. Check the placenta see the mother of infarcts 5 × 6cm, accounting for 1/4 of the placenta, and multiple calcification points. Example 2 due date May 8, 1982, the fetus disappeared 2 days on May 25 admission. Admission fetal heart rate 144, after 3 hours slowed to 112, oxygen and fetal protection rose to 128, immediately Caesarean section, see a small amount of meconium-like amniotic fluid, neonatal score of 1, died after rescue ineffective. Check the placenta see widely scattered calcification and area of more than 1/2 infarction.