BPD(Hadlock)：5.65cm

OFD（HC）:    7.35cm

HC:           20.92cm

FL:           4.01cm

HL:           3.61cm

CL(BPD/OFD) 77%

FL/BPD: 71%

FL/HC: 19%

注：BPD是双顶径;FL是股骨长;HL肱骨长;FP胎位;ROP头位右枕后;FHT胎心