A post I published in this blog in 2017 ended with this paragraph:
Why are
human beings conceived with trisomy of chromosome 21 (Down syndrome) denied the
right to life, to the point that, in many Western countries, in practice they
are not allowed to be born?
In another post, published in 2015, during the first year of this blog's existence, I calculated the probability that the triple and quadruple screening tests, then in use to detect trisomy of chromosome 21 (the cause of Down syndrome), would produce false positives. The conclusion was this:
