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.
If you have chosen oral contraceptives as your birth control method, you may be wondering when you can start taking the pills. Many options are available -- a day 1 start, a Sunday start, or an immediate start. The option you choose largely depends on your personal preference.