Robinson-Fleming CRL Dating
Robinson-Fleming CRL Dating - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
Open the Robinson-Fleming CRL Dating → Runs in your browser. No signup, no tracking.
What this is
Robinson-Fleming CRL Dating is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. Robinson-Fleming CRL Dating - a deterministic tool in Sophie Well's Clinical Scoring & Risk 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
Robinson HP, Fleming JEE. A critical evaluation of sonar crown-rump length measurements. Br J Obstet Gynaecol. 1975;82(9):702-710. Read the source ↗
Worked example: Robinson-Fleming gestational age 9 weeks 6 days (69 days) from CRL 30 mm.
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