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Birth Control
The reason birth control is started on the first sunday of your period or after ... to start it on the first day of your period no matter what day it is. ...ANSWERS
See all- When they give you birth control it starts on Sunday, it doesn't matter about your period because the pills will regulate it according to the pack.
- S., That's what my OB said to me after I had my daughter. However, the pill case start you off on a Sunday so its easy to follow and I don't have to worry about reme...
- S., I have always been a Sunday starter. When you start your pills on Sunday you have a better chance of having period free weekends. Hope this helps A.