This is the most accurate of the rhythm methods; as the name implies it combines the temperature and the mucus methods. This means that the user gains the benefits of each; ideally she can recognize when ovulation is approaching by observing changes in her mucus and external os, and can also determine that ovulation has ...
This method is based on the recognition of changes in the cervical mucus through a woman's menstrual cycle. It is often called the Billings method, after Drs E.L. And J.J. Billings who developed it fully. Many women may already be aware that the mucus secreted in the vagina has different qualities at different times ...
This rhythm method is based on the fact that a woman's basal body temperature (the temperature after rest) rises in the days immediately after ovulation. The rise can be as much as 1° F (0.6°C); in some women it may be much less, for instance 0.4°F (0.2°C). Most women also exhibit a drop in the ...
The oldest known rhythm method (indeed many people still believe that this is the only one) is the calendar method. This is also the least reliable of the rhythm methods. As its name implies it is based on the dates of the woman's menstrual cycle; a record needs to be kept for twelve months before ...