How long until the ring starts working?

How do I know the ring is in the right way?

How effective is the ring at preventing pregnancy?

Will I feel the ring inside of me?

Does your weight affect how well your birth control works?

What should I do if I miss a pill?

Does the patch come in more than one color?

What are my options if I want something more effective than withdrawal, but don't want to visit a doctor?

Is it normal to feel exhausted and sore several weeks after having the sterilization procedure?

I'm having pregnancy symptoms—is it possible I could be pregnant even though I've been sterilized?

What if my local pharmacy doesn't stock or runs out of emergency contraception?

If I am using enzyme inducers (such as Dilantin the antibiotics rifampicin or griseofulvin, or St. John's Wort), will it make emergency contraceptive pills less effective?