extra supplies

Although NFP can really be done without special supplies, here are some extras that could be helpful:

A cheap thermometer works fine, but this one keeps track of things, so it can be pretty helpful. http://craigmedical.com/Ovulation_comp.htm

The OvaCue is helpful in predicting ovulation about five days ahead of time (the time you need if you’re not wanting to get pregnant) and also confirms ovulation afterward (so that you know your infertile time has started) http://www.zetek.net/