IVF is many things.
it may be a simple as aggrigating a fathers low sperm count stuff to increase the odds (ala turkey baster jokes)
to sorting out multiple eggs from the women to engsure one takes hold.
adoption is not for everyone.
It is nice to know that for the most part we are talking about cherishing all these children via proper normal paratage in a loving home.
Children are a gift, not an entitlement. The Church teaches that marriage does not confer upon the spouses the right to have a child, but only the right to perform those natural acts which are per se ordered to procreation.
I am not a Catholic but these teachings are basic morality and truth and have nothing to do with sectarianism. The very fact that children concived by IVF do have a higher rate of health problems should be enough to condemn the process.