Yes, but you shouldn't. Talk to your doctor.
It's possible that changing birth control pills will change the timing of your next period.
You can start your birth control the Sunday after your period.
Yes you can start birth control while on your period. Usually your doctor will tell you to start on a Sunday so it's easier to remember when you first started your pack.If you get your period on the Sunday you start you still start on birth control.
Yes; if you start birth control on the first day of your period, you'll have immediate protection.
There is no way to know when you will start your period when you first start taking Triphasal birth control. You just have to wait and see how your body reacts.
If you start the birth control pill on the day your period starts, you'll have immediate protection.
Sunday after your period
If you are not having sex/unprotected sex, you can start your birth control whenever you want.
You can start them whenever, but it is a possibility that your period will be delayed.
Period time disturbed
You should take birth control on schedule regardless of bleeding. Hormonal birth control can sometimes cause a missed period.
The next Sunday. __________________________ With Sunday start, you're supposed to start on the Sunday of getting your period, or the following Sunday. For example: You start your period on Sunday : START YOUR BC. You start your period Wednesday... WAIT TIL SUNDAY TO START. **make sure to read the inserts that come with your birth control, or go to the manufacturers website, the information is there for a reason!