How long for Birth Control to work?

Question:

So, this month, I started taking the Pill on the first day of my period (a Wednesday) as instructed. My period finally ended the following Monday. When will the Pill take effect? And will I have my period again when I start taking the placebos, even though it will only have been 15 days since the end of my last period? Does it start regulating things that fast? Help! The packaging just tells me what to do if I miss a pill.

Answers:
keep in mind that EVERYONE IS DIFFERENT and that i'm a guy and not a doctor. this is my personal account:
my girlfriend started taking birth control over a year ago. she started taking the pills in the middle of her cycle too. her first period was irregular and really bad, she said. the next period was normal and "so much better" she said.
if you are asking about how long to wait to have sex, i would recommend you wait until after you finish the first month of pills. we waited only 7 days (as directed by her doctor) and we think this was the cause of the first period being so irregular. after a few months, your body will adjust and your period should occur like clockwork.
good luck!

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How long for Birth Control to work?

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