For the sake of it's importance, its worth recollecting that the Birth Control Pill was labeled as the invention of the 20th century.
And in another blog post - HIV AIDS, The Church and Contraception - I reflected on the opinions of the Church on the matter of contraception.
The article said - and I quote below.
Read more on the blog post.
However, on Sunday 21st November 2010, the Church has taken a giant step in its opinion on contraception.
When asked whether the Catholic Church was not opposed in principle to the use of condoms, the Pope replied: "She of course does not regard it as a real or moral solution, but, in this or that case, there can be nonetheless, in the intention of reducing the risk of infection, a first step in a movement toward a different way, a more human way, of living sexuality."