Contraception reduces the need for abortion. Contraception is part of Biblically responsible Christian stewardship. Catholics can chose to use contraception in good conscience. Natural Family Planning is really just one more form of contraception. Contraception has improved the institution of marriage.
Contraception is necessary for women's equality.
Since men cannot control their sex drive, women need contraception. We need contraception to fend off overpopulation. Contraceptives are part of good overall healthcare. M.D. Pharmacology 101 Fr. Whatever You Bind on Earth Rev.