Can women get pregnant if sperm is in a Swimming pool and she is nude will swimming?

Most swimming pools have bleach and other chemicals in the water. So unless the water is 50% sperm (she might notice this), the answer for most pools is no. For pools with no chemicals added, there is still the issue of dilution, temperature and even her own body's immune system. Then there is the issue of whether she is fertile at that time. It could happen, but they're odds one can live with.

Whether one wears a swimsuit or not probably doesn't affect things as swimsuits are quite porous. In any case, some pool operators might object to the lack of attire, as long hairs* tend to block filters and water pumps.


* no, lets not go there.

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Please note that people may think you are trolling, but I'm allowing this to show we really do care.