# Tfrsim

Project, Worldwide.

> Can you hit replacement? A fertility SIM with cited sources
>
> — in its own words, from tfrsim.com

- Website: https://www.tfrsim.com/
- Listed since: 2026
- launched: 2026-01-07
- launch post: https://news.ycombinator.com/item?id=46526905
- hn score: 3
- Last verified: 2026-01-07


## Sources

- Hacker News, "Show HN" — https://news.ycombinator.com/item?id=46526905, read 2026-01-07

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startup.is · https://startup.is/projects/tfrsim · open data: /api/v1, /llms.txt