Neonatal Ponderal Index (Rohrer’s Index)

Neonatal Ponderal Index (Rohrer’s Index) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.

Open the Neonatal Ponderal Index (Rohrer’s Index) → Runs in your browser. No signup, no tracking.

What this is

Neonatal Ponderal Index (Rohrer’s Index) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. Neonatal Ponderal Index (Rohrer’s Index) - 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

Miller HC, Hassanein K. Diagnosis of impaired fetal growth in newborn infants. Pediatrics. 1971;48(4):511-522. Validation: Fay RA, et al. Ponderal index: a better definition of the "at risk" growth-restricted group. Aust N Z J Obstet Gynaecol. 1991;31(1):17-19. Read the source ↗

Worked example: Ponderal index 1.76 — below 2.0 (disproportionate wasting, asymmetric IUGR).

Sophie Well is a reference and educational tool. Not medical, legal, or financial advice. Does not replace clinician judgment, professional billing review, or legal counsel.

Built by Clay Good. Source on GitHub.