产妇,沈××,28岁,住院号79631。于1984年2月13日因第一胎双胎妊娠35周伴腹部持续胀痛2天而入院。末次月经1983年6月14日,预产期1984年3月21日。停经4个月后开始感胎动,6个月时感腹部明显增大。B 型超声波检查确诊:双胎。妊娠过程良好。检查:一般情况好,营养中等,血压110/70mmHg,脉搏72次/分,心肺(一)。子宫底耻上34cm。腹围102cm。腹部检查为双胎,头先露,胎位ROA 和LOP,胎心148次/分和136次/分。入院后B 超复查:双胎双头位。于2月15日凌晨2时开始正规宫缩,产程进展顺利,6时10分人工破膜,羊水清,量中等。8时30分自然分娩女婴A,体重2,250g,8时40分自然分娩女婴B,体重1,600g,胎儿分娩后,见露于阴道口的二根脐带,相互打结成辫状。胎盘自行娩出,子宫收缩好,出血约100ml。检查:胎盘一个,完整,重900g,仅一个羊膜腔,一层绒毛膜,无中隔。二根脐带中段辫状打结共7只,结较松弛。带结脐带长分 Maternal, Shen × ×, 28 years old, hospital number 79631. February 13, 1984 because of the first twins 35 weeks of pregnancy with abdominal pain sustained two days and admitted to hospital. The last menstruation June 14, 1983, the expected date of March 21, 1984. Four months after menopause began to feel the fetal movement, 6 months when the sense of the abdomen increased significantly. B-type ultrasound examination confirmed: twins. Pregnancy process is good. Check: The general situation is good, moderate nutrition, blood pressure 110 / 70mmHg, pulse 72 beats / min, cardiopulmonary (A). The bottom of the uterus shame on the 34cm. Abdominal circumference 102cm. Abdominal examination for twins, first dew, fetal position ROA and LOP, fetal heart rate 148 beats / min and 136 beats / min. After admission, B-review: twin double-headed position. At 2:00 on February 15 formal contractions began, labor progressing smoothly, 6:10 artificial rupture of membranes, clear amniotic fluid, the amount of medium. 8:30 natural childbirth baby girl A, body weight 2,250g, 8:40 natural childbirth baby B, weight 1,600g, the fetus after childbirth, see the exposed in the vaginal mouth of the two umbilical cord, knot tied braided. The placenta delivered on its own, uterine contractions, bleeding about 100ml. Check: a placenta, complete, weighing 900g, only one amniotic cavity, a layer of chorion, no septum. The middle of the two umbilical braided knot a total of 7, relatively loose. Umbilical cord with long points