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There is no way that the number of years fetal DNA remains in a mother's system is precise to 3 significant figures.
by jessriedel 9y ago
There is no way that the number of years fetal DNA remains in a mother's system is precise to 3 significant figures.
- Mz 9y agoI am on my phone. This is my source: https://news.ycombinator.com/item?id=8155613 https://news.ycombinator.com/item?id=8155613 Though searching suggests, no, they probably don't have that figure locked down.