Amniotic Fluid Index (AFI)
Amniotic Fluid Index (AFI) - a deterministic tool in Sophie Well's Clinical Math & Conversions group.
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What this is
Amniotic Fluid Index (AFI) is one of 230 deterministic tools in Sophie Well's Clinical Math & Conversions group. Amniotic Fluid Index (AFI) - a deterministic tool in Sophie Well's Clinical Math & Conversions group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
Moore TR, Cayle JE. The amniotic fluid index in normal human pregnancy. Am J Obstet Gynecol. 1990;162(5):1168-1173. Oligohydramnios < 5 cm, polyhydramnios > 24 cm (ACOG thresholds). Read the source ↗
Worked example: AFI 4.0 cm: oligohydramnios (below 5 cm).
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