How long until birth control becomes effective?

How long does it take for Yaz birth control to be effective?

Will nitrofurantoin macro cause birth control pills less effect? Can I drink alcohol when taking nitrofurantoin macro?

I recently switched my bc because I was bleeding a whole week before my period started. I was taking ortho-tri cyclin for 3 m...

How long does it take for birth control pills to activate?Once you start taking them?

How long does it take birth control pills to start working?

I have been thinking about getting on birth control for a while now. I am a small 34 a. Does birth control really make your b...

in birth control? I'v been looking around and researching but I don't know what kind I want, I'm affraid I might forget to ta...

I started my period on Sept. 9th, got Mirena inserted the 10th, and I am still on my period. It will be 4 weeks on my period ...

Wanted to see if anyone had any good methods of long term birth control ? I'm on the pill right now and it's fine but I'll be...

how effective is a birthcontrol pill if its really low dose against pregnancy? is it the same as a high dose Bc?