how many days on birth control before ivf
If you want to postpone your period, just start taking birth control pills (at least about 10 days before your period is due), and continue taking it until you want your period to start. 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.f you want to postpone your period, just start taking birth control pills (at least about 10 days before your period is due), and continue taking it until you want your period to start. The next period will start about 3-5 days after taking the last tablet.