"So-called painless childbirth, contraception, abortion, the new ways of research - all this has not only altered the stature of women and restored honour to their human sexuality; these innovations have also changed the people themselves and the nature of their relationships; they have been joined with a total change of cultural and societal values." In order to reach this goal, the Groupe Littre would zealously promote the idea that people should have free determination over their own bodies. Pierre Simon admits that "this does violence to the Christian ethic, which considers the body a gift from God. In order to promote this "freedom," it was necessary to introduce contraception in the various countries. Indeed, thanks to "the new view of the meaning of life introduced through contraception, society will be completely changed."
January 1, 1970
https://en.wikiquote.org/wiki/Christian_views_on_birth_control