Reference Ranges of Amniotic Fluid Index in Late Third Trimester of Pregnancy: What Should the Optimal Interval between Two Ultrasound Examinations Be?

<div>Curve of AFI values (5th, 50th, and 95th centiles) from 34 to 40 weeks following smoothing procedure from polynomial regression of 3rd degree.</div>

Journal of Pregnancy

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Figure 2

Figure 2: Reference Ranges of Amniotic Fluid Index in Late Third Trimester of Pregnancy: What Should the Optimal Interval between Two Ultrasound Examinations Be? 

Figure 2 | Reference Ranges of Amniotic Fluid Index in Late Third Trimester of Pregnancy: What Should the Optimal Interval between Two Ultrasound Examinations Be? 