Assisted Procreation

Assisted procreation was science fiction until the birth of Louise Brown, the first test tube baby, in 1978.  Today, assisted procreation constitutes a multi-billion dollar industry around the world.  Many couples use these technologies in good faith; but are methods of assisted procreation ethically acceptable?  What does the Catholic Church teach about so-called medically assisted procreation? 

Assisted Procreation Filter