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1 病例资料 病例1:产妇27岁,孕3产1,末次月经1996年5月27日,孕41~(+1)周临产,于1997年3月12日入院,入院时查体,胎位正,胎心好,宫口开大2cm;B超示:单胎头位,双顶径9.2cm,胎盘I~(0+)钙化,血、尿常规正常。宫口开大4cm时,胎头出现水肿,孕妇出现排便感,腰部酸痛感明显,第一产程10小时20分钟。在宫口开全后2小时,胎心112次/分。阴道检查:先露部水肿明显,位于坐骨棘下2cm,囟门位置不清。行局麻、会阴侧切胎头吸引助产,第一次吸出空气180ml,滑脱;第二次吸出空气200ml,并由助手帮助增加腹压,助产者按分娩机转,沿产轴方向牵引,最终以左枕后娩出一男婴,体重3400g,整个胎吸过程约20
1 Case data Case 1: Maternal 27 years old, 3 pregnant and 1, the last menstrual May 27, 1996, 41 (+1) weeks of pregnancy labor, on March 12, 1997 admission, admission examination, fetal position , Good fetal heart, cervix open 2cm; B ultrasound shows: single head position, biparietal diameter 9.2cm, placenta I ~ (0 +) calcification, blood, urine normal. Miyako open large 4cm, fetal head edema, pregnant women appear defecation, waist pain obvious, the first stage of labor 10 hours and 20 minutes. Open in the cervix after 2 hours, fetal heart rate 112 times / min. Vaginal examination: Dew first obvious edema, located under the sciatic spine 2cm, fontanelle position unclear. Row anesthesia, perineal side cut fetal head to attract midwifery, the first suction of air 180ml, slipping; the second suction of air 200ml, and assisted by an assistant to increase abdominal pressure, midwifery machine according to delivery, traction along the axis of birth, Finally, after the left pillow delivered a baby boy, weighing 3400g, the entire process of about 20 fetal suck