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Birth Control/Could I be pregnant???


I'm on the pill (Yaz), but I missed a day and on that day my boyfriend and I had sex twice with no condom. Then I missed my pill two days after that with no sex. Is it possible I'm pregnant?

Hi Kiera,

Thanks for your message.

You didn't say what you did when you missed your pill. Did you take it as soon as you remembered?

If you did, then you should be fine. The rules for taking the pill say that if you only miss one and you take it as soon as you remember then the pills will continue to work to prevent pregnancy.

And sperm only lives a few short hours in the vaginal canal of a woman who is on the pill. This is because the pill works to change the inside of the vagina and the cervix so that the environment is not friendly to sperm. This means that the pill you missed two days later would not have any effect on sperm from two days before because it would already be dead.

You can look at this link for more information about skipped pills:

Take care,

Birth Control

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Allison Macbeth


I can answer questions about how to choose which method of contraception is right for you, how to deal with mistakes, effectiveness, and emergency contraception. I also have training in HIV, STIs, and sexual health education. I cannot tell you what is the right choice, but I can tell you the pros and cons of each method to help you make an informed decision for your circumstances. If you have had a condom break or had unprotected sex and need emergency contraception please call you local Planned Parenthood or check out


I have been working in the field of sexual health for a decade with specific training in contraception, STIs, HIV, and sexual problems. I have worked in several Planned Parenthood-affiliated charities, telephone helplines, research, education, and currently work for a local health authority evaluating HIV programs in the city.

Macbeth, A., Weerakoon, P., Sitharthan, G. (2009). Australian Parentsí Opinions about School-based Sexual Health Education. Sexual Health. 6, 328-333. I write a weekly advice column for Morning Quickie website which can be found here:

I have a Masters in Applied Science (Sexual Health) where I did research on sex education in schools and at home with parents and young people, as well as many counselling skills courses.

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I have worked extensively with young people under 25, people living with or affected by HIV, and parents.

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