Just a quick post to note what should be obvious: the Catholic Church teaches respect for the dignity of all people, including embryos.
The CDF's release of the instruction Dignitatis Personae (On the Dignity of Persons on Certain Bioethical Questions) on December 8th, the Feast of the Immaculate Conception (read conception of Mary for you non-Catholics), is surely significant. Or as Dr. Seuss said in Horton Hears a Who: "A person's a person, no matter how small".
Quick read: IVF -- bad, ESCR -- bad, contraception -- bad; tinkering with the genetic code -- dicey at best; conceiving babies the old fashioned way -- good, respecting sex and persons -- good.
Is this news to anyone who knows thing #1 about Catholicism?