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通过 ６７３ 例胎心无负荷试验（ Ｎ Ｓ Ｔ）及多普勒脐动脉血流速度测定联合应用对胎儿预后做出评价，结果， Ｎ Ｓ Ｔ 可疑型和无反应型组 Ｓ／ Ｄ≥３ 者发生率比反应型组明显增高，在 Ｓ／ Ｄ≥３ 组中羊水污染、１ ｍ ｉｎ Ａｐｇａｒ 评分≤７ 分及低体重儿发生率均明显高于 Ｓ／ Ｄ＜ ３ 组（ Ｐ ＜０００５）。 Ｎ Ｓ Ｔ 与多普勒脐动脉血流速度测定联合应用可以提高胎儿宫内缺氧状态的诊断，为临床及时采取措施纠正宫内缺氧提供了可靠依据。
Fetal prognosis was evaluated by 673 fetal heart rate non-load test (NST) and Doppler umbilical artery blood flow velocity. As a result, S / D≥3 of NSS suspicious and nonresponsive The incidence of amniotic fluid contamination, incidence of amniotic fluid 1 m in Apgar score≤7 and low birth weight were significantly higher in S / D≥3 group than in S / D <3 group (P <0005) ). The combination of N S T and Doppler umbilical artery blood flow velocity measurement can improve the diagnosis of fetal intrauterine hypoxia and provide a reliable basis for clinical timely measures to correct intrauterine anoxia.