{
"xlabel":"Gestational age (w)",
"ylabel":"Biparietal diameter (mm)",
"x":[14,16,18,20,22,24,26,28,30,32,34,36,38,40],
"y":[0.4,0.5,0.6,0.7,0.8,0.9,1.0],
"y95percent":[0.89,0.88,0.87,0.867,0.862,0.860,0.860,0.862,0.865,0.87,0.878,0.886,0.897,0.91],
"y0percent":[0.814,0.803,0.793,0.786,0.782,0.779,0.779,0.782, 0.787,0.795,0.805,0.818,0.832,0.85],
"y5percent":[0.73,0.72,0.715,0.711,0.71,0.708,0.71,0.713,0.72,0.727,0.738,0.75,0.765,0.78]
}