Perinatology.com
Genetics • 3‑Generation Pedigree Generator -BETA Pedigree + inheritance screen • aunts/uncles/cousins • adoption • consanguinity • pregnancy losses
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Enter patient & family

Runs locally in your browser
Consultand / Proband

Tip: For confidentiality, use initials and years rather than full names.

Partner (optional)
Parents
Grandparents
Siblings of consultand
Children of consultand
Aunts / Uncles + Cousins
Add aunts/uncles as siblings of each parent. Each aunt/uncle can have an optional partner and their children (cousins).
Parent A side
Parent B side

Pedigree preview + inheritance screen

Scroll inside • Print or export when ready
Heuristic inheritance pattern screen click to expand
When enabled, the screen also uses shared carrier conditions (e.g., both partners carriers of the same condition) to increase suspicion for recessive or X‑linked patterns—even if no one is marked “affected”.
Legend click to expand
    Export: Export SVG is best for crisp EHR documentation; Export PNG is convenient for screenshots.
    This tool provides a **screening** interpretation only (rule‑of‑thumb). Final assessment requires phenotype details, penetrance/expressivity, age‑related onset, and molecular results.