I'm worried my old house has asbestos
You would need an expert to examine and render an opinion.
Asbestos exposure over a short period is very unlikely to cause a health issue and if it does it would be 20+ years out. Problems arise when you breathe the fibers over a long period of months or years.
No. Asbestos is inhaled if it is friable (able to be airborne) so the unborn child is safe.
Yes, washing and cleaning is always a good idea. Old style tile is actually pretty safe unless you start grinding on it and make a lot of dust.


I would not be overly worried but you could consult with a doctor and have an exam every few years if you are concerned.

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Rest easy.