However, many people find these calculators and apps very complex. The luteal phase or secretory phase is the latter phase of the menstrual cycle. After waking up, women must measure their temperatures for about a minute basal temperature. Rhythm method for natural family planning About.
Advertising revenue supports our not-for-profit mission. Female sterilization: Tubal ligation or occlusion. Do you have a regular menstrual cycle? A combination of multiple methods, this involves tracking ovulation symptoms like pain in the abdomen, heaviness and tender breasts, in addition to body temperature and the colour of the mucus.
In: Managing Contraception
Similarly, if you're hoping to avoid pregnancy, you can use the rhythm method to determine which days to avoid unprotected sex. Longer cycles are more common than short ones. Sadly to say, that kind of thinking is mistaken!
But please do not use this calculator alone as a safe period calculator but instead use technical aids as described on the bottom of this page. How your menstrual cycle works. After waking up, women must measure their temperatures for about a minute basal temperature.