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.
How long does it take birth control pill to start working? My girlfriend just started taking birth control pills, and a doctor at Planned Parenthood said she only had to wait 5 days, but I've been researching it and have found either at least 7 days or as long as a month. She started taking it about a week and a half before her period.