Valerie is a doula who provides prenatal and family education and professional labor support to women in their childbearing years. This is loaded with stuff about current life issues. There's a message board and discussion forum. One couple's story. That was the beginning of my Spirit-led journey away from the stronghold of this pervasive mentality.
Catholic teaching is that contraception violates natural law, which applies to everybody.
So, have a look unless you have a real problem with Catholicism. A Generation Later by Janet Smith. Both of these are great. About a ton of stuff, Catholic oriented mostly, but lots of prolife and anti-contraception articles, plus a whole NFP subdirectory . There's a really huge article by William May on Contraception and Catholicism .