三十周了,胎头在耻上位,双顶径79mm,头围278mm,腹围264mm,股骨54mm,肱骨50mm,胎重1516g,胎盘在宫底前壁,厚度25mm,分级I,羊水指数196mm,脐动脉RI0.62,PI0.89,s/d2.60,胎心率160次/分,这些指标正常吗
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