Research brief: Effective natural contraceptive

The symptothermal method (STM) of natural family planning is as effective as the Pill for avoiding unplanned pregnancies, according to German research. STM enables couples to identify accurately the time of the woman’s fertile phase by measuring her temperature and cervical secretions. In a study of 900 women, the pregnancy rate for women who used the STM method was one in 250 women (Human Reproduction Online 2007).

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