When does the birth control pill become effective?

I just started taking the pill, been on it for 2 weeks now, when is the pill effective and ok to have sex?

Well I found out that I have a urinary tract infection when I went to see a doctor and she put me on a antibiotic and I been ...

If I have sex with my boyfriend and cums in me multiple times, can I still get pregnant if I've only been on the pill for 1 m...

So all last week I wasn't consistent with my birth control pills. Some days I took it in the morning and others I took it at ...

Well, I'm on yaz, and I recently had mono and just got over the symptoms 2 weeks ago. Well I've been having breakthrough blee...

Im curious I've been told by a doctor that you cannot get pregnant even when your taking the sugar pills (aka) the pills you ...

What if I had sex and I took birth controll pills a week later? Would it stil stop me from becoming pregnant.

i just started taking the pill 3 weeks ago. i had sex 2 weeks ago. I keep getting headaches & the outsides of my boobs hurt ...

ok so me and my boyfriend are gonna have sex and use condems and stuff but I wanna use a pill also just in case. but how do y...

I have been taking the pill for 5 years, but have only recently been using it for birth control. I am on Levlen AD. The act...