Abstinence has not worked since the first eukaryotes figured out about a billion years ago that procreation by exchange of DNA was more fun and a better way for life to progress.

Contraceptives allow women and families to better plan their lives, so that they have only the children they can afford given the health, financial resources, and plans of the family.  Access to effective contraceptives is especially important for women's health, for their being able to pursue careers outside the home.

Most importantly, denying sexual expression in a marriage out of fear of an unwanted pregnancy is no longer necessary.  Having sex no longer has to equal pregnancy and that is good for marriages, for the well being of families, and for the well being of women.  

Tired of the guff about 50 cent prophylactics.  If that worked as an alternative, it would already be working.   It doesn't work.  Lets try something that does protect women, families, and marriages.  Effective contraceptives.