Being strategic about contraceptive introduction: the experience of the Standard Days Method.


BACKGROUND Many national and institutional family planning policies explicitly include fertility awareness-based methods among the method options that should be made available, but these methods are often not offered for a variety of reasons. After testing the efficacy of the Standard Days Method (SDM), which is a fertility awareness-based method that… (More)
DOI: 10.1016/j.contraception.2007.11.001


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