Four Basic Methods

Sperm can live from two to seven days in a woman's reproductive system, and an egg can live from one to three days (usually 24 hours).  Your unsafe period (the time period in which you can get pregnant) lasts for about nine days.  These methods use that information for birth control purposes.

Click on the link or graphic for Instructions.

Basal Body  Temperature Method Cervical Mucus Method Calendar Method Post-Ovulation Method

Combining All Methods for Reliability

None of the above methods are reliable enough alone to consistently prevent an unwanted pregnancy.  The BEST METHOD is to combine all of them into one called the Sympto-Thermal Method.

Combining All Methods (Sympto-Thermal Method)

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