Octal - See also. 1  Computer numbering formats. 2  Octal games, a game numbering system used in combinatorial game theory. 3  Syllabic octal, a specific octal representation of 8-bit syllables.
Your doctor or nurse will suggest 1 of the following methods to begin taking the pill: Start your first pack of pills on the first day of your menstrual period. Use a backup method of birth control (such as condoms with spermicide) until you start the pill.
To take the Pill, follow the instructions on the package. Your health care provider will explain how to use your pill pack. You will be told to start taking the birth control pill on a Sunday, on the first day of your menstrual period, or the day you are seen by your health care provider. You should take one pill each day, at the same time of day until you finish the pack.