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 are not taking the COCP ('the pill') then a hormone tablet called norethisterone can be prescribed. The dose is one tablet (5 mg) three times a day. You start three days before a period is due. It can be continued until you want to have a period. Your period will then normally begin 2-3 days after stopping it.