If you start the birth control pill on the day your period starts, you'll have immediate protection.
Your period usually starts from Tuesday to Thursday after taking the reminder pills.
You can start your birth control the Sunday after your period.
You can start the pill at any time during your cycle. If you start a week before your period, use a back up method of birth control for the first seven days of the pack.
I believe that you are supposed to start your birth control pack on the Sunday after your period starts.
It's convenient to start the birth control pill, patch, ring, injection, IUD, or implant on the day your period starts, as you then have immediate protection; however, it's not strictly necessary. If you're talking about taking birth control after you've been on it a while, you should take your birth control as scheduled regardless of vaginal bleeding.
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.
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.