Amniotic fluid index – gestational age

Gestational age (weeks)Amniotic fluid index (cm)5th percentile50th percentile95th percentile249.814.721.9259.714.722.1269.714.722.3279.514.622.6289.414.622.8299.214.523.1309.014.523.4318.814.523.8328.614.424.2338.314.324.5348.114.224.8357.914.024.9367.713.824.9377.513.524.4387.313.223.9397.212.722.640-426.9-7.111-12.317.5-21.4Moore, Thomas R., and Jonathan E. Cayle. "The amniotic fluid index in normal human pregnancy." American journal of obstetrics and gynecology 162.5 (1990): 1168-1173.