> What tests are you talking about that should be done BEFORE conception!? DNA test that detects errors (invalid sequences) known to cause serious illnesses. I

> What tests are you talking about that should be done BEFORE conception!? DNA test that detects errors (invalid sequences) known to cause serious illnesses. I think everyone who is considering to have children, should take such a test because he or she can be a carrier of invalid DNA which can be inherited and ruin life for a child. People should behave responsibly.