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病例:孕妇,24岁,孕26周,孕1产0,无家族病史及不良嗜好。来我院常规超声产前检查,使用飞利浦HD-9彩超,探头频率3.5MHz,超声检查所见:宫内孕单绒毛膜单羊膜囊双胎(早孕时曾做B超确诊为单绒毛膜单羊膜囊双胎),双胎双顶径均6.8cm,A胎儿股骨长4.8cm,B胎儿股骨长4.7cm,A胎儿头围24.1cm,腹围21.2cm,B胎儿头围24.0cm,腹围20.7cm,A胎儿心率147次/min,B胎儿心率
Case: Pregnant women, 24 years old, 26 weeks pregnant, 1 pregnant 0, no family history and bad habits. To our hospital routine ultrasound prenatal examination, the use of Philips HD-9 ultrasound, the probe frequency 3.5MHz, ultrasound examination showed: intrauterine pregnancy single chorionic single amniotic sac twins (early pregnancy had B ultrasound diagnosis of single chorionic Amniotic sac twins), twin biparietal diameter were 6.8cm, A fetal femur 4.8cm long, B fetal femur 4.7cm, A fetal head circumference 24.1cm, abdominal circumference 21.2cm, B fetal head circumference 24.0cm, abdominal circumference 20.7cm, A fetal heart rate 147 beats / min, B fetal heart rate