Quote Originally Posted by chris-uk View Post
Really? I think my use of the word "proof" is fine



In this case the tests conducted on my unborn child provide proof that he is, in fact, a "he".
Being pedantic, there is always doubt in any proof, but the level of proof required before we consider something proven should be proportional to the nature of the claim. I think in the case of sexing a baby a full chromosomal mapping is sufficient proof (only really trumped by doing the same test several times in different labs to further reduce the likelihood of a procedural error producing false results.
Scientific evidence - Wikipedia, the free encyclopedia
Problem of induction - Wikipedia, the free encyclopedia