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判断胎儿是否成熟甚为重要,尤其在预产期不确定时为避免过期妊娠,在触诊与妊娠期不符时要鉴别早产和小样儿分娩,或在Rh因子不合时要确定最佳分娩时间更属必要。诊断胎儿成熟的方法有:(1)触诊估计胎儿大小。(2)放射学测定胎儿长度和骨龄。(3)B型超声测定胎儿大小。(4)心电图外检测。(5)激素和酶的测定。(6)羊水检查。目前应用的经腹羊膜穿刺方法已相当安全,故用羊水测定胎儿成熟度的意义更显重要。近年来,作者对羊水进行胎儿成熟度的形态学诊断已获经验,优点是费用低廉,取羊水后最多10分钟可得结果,而且颇为可靠。羊水染色用尼罗蓝。
To determine whether the fetus is very important to mature, especially in the uncertainty of the expected date of delivery to prevent expired pregnancy, palpation and pregnancy inconsistencies to identify premature and small sample childbirth, or in Rh factor to determine the optimal delivery time is more necessary . Methods to diagnose fetal maturity include: (1) Palpation to estimate fetal size. (2) Radiological determination of fetal length and bone age. (3) B-type ultrasound determination of fetal size. (4) ECG test. (5) Determination of hormones and enzymes. (6) amniotic fluid check. The current method of transabdominal amniocentesis has been quite safe, so the significance of the determination of fetal maturity with amniotic fluid is even more important. In recent years, the author of morphological diagnosis of fetal amniotic fluid maturity has gained experience, the advantage is that the cost is low, taking amniotic fluid up to 10 minutes after the results available, and quite reliable. Amniotic fluid staining with Nile blue.