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.
It is safe to get pregnant as soon as you have stopped the pill. However, it may take some time after stopping the pill before ovulation begins. Some women may ovulate within 1-2 weeks after stopping the pill, while in others it could take several months.