专家你好!33周+3天BC:胎儿双顶劲86mm,股骨长径60mm,腹前后径94mm,腹横... 专家你好!33周+3天BC:胎儿双顶劲86mm,股骨长径60mm,腹前后径94mm,腹横径91mm,羊水指数210mm,羊水最大深度70mm,胎盘厚度34mm,胎心搏动154次/分,脐动脉峰值流速34.92cm/s,S/D=1.93。36周+3天BC:胎儿双顶劲86mm,股骨长径62mm,腹前后径99mm,腹横径103mm,羊水指数173mm,胎盘厚度36mm,胎心搏动148次/分,脐动脉峰值流速46.08cm/s,S/D=3.00。小孩子的头没长,请问这问题大吗?