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.
The next period will start about 3-5 days after taking the last tablet. It's also possible to prepone the period. Start birth control pills from Day 1 of your cycle; take them for at least 10 - 15 days; and stop them about 3-5 days before you want your period to start.It's a good idea to use a regular dose birth control pills; or to take 2 tablets daily.Adjusting your cycle.his is also quite easy to do. Both of you start taking birth control pills from Day 1 of your respective periods. The trick is to take the pills for at least 20 days; and to stop taking them on the same day, so that the period starts for both of you on the same day.