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» Scarleteen Boards: 2000 - 2014 (Archive) » EXPERT ADVICE » Emergencies and Crises » Pill Brand Switch Mid-Cycle and No Back-up Method

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Author Topic: Pill Brand Switch Mid-Cycle and No Back-up Method
sweet_thing
Activist
Member # 52326

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So my boyfriend's car was broken in to on Saturday and my purse was stolen, along with my birth control. I was at the end of the first week of my new cycle, and I take my pills straight for six weeks (period every other month basically). I went to the pharmacy to get a new pack, but they were out of the brand I normally take. Instead, they gave me a different brand of the same dosage (I had taken it before in the past as well). I took the new brand of pill on time on Saturday, and every day after that as well. However, I had sex Saturday evening without a back-up method and my boyfriend came inside of me. I've been tied up trying to reacquire all of my belongings that were stolen that I haven't really had the time to think about that, but now I'm worried. I'm getting a little bit of what I think might be withdrawal bleeding too, as I noticed a rusty brown discharge today.

Basically, my question is this: am I at risk of pregnancy for switching pill brands mid-cycle and having sex that evening? Could I be pregnant? Please help! [Frown]

Posts: 55 | From: USA | Registered: Jan 2011  |  IP: Logged | Report this post to a Moderator
Robin Lee
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HI There,

As long as you didn't have any interruption in your pill taking, such as missing a day, you shouldn't have had an interruption to the effectiveness. Even though the dosage is the same, the body can react differently to different brands of the pill, which would explain the withdrawal bleeding.

The pill doesn't provide 100% protection from pregnancy at any time (studies have found it to be between 92% and 99% effective based on how accurately it was used) but what you've described here, while unusual, shouldn't have made a dramatic difference.

If you want to double check, you can take a pregnancy test 14 or more days after that sexual encounter.

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Robin

Posts: 6066 | From: Washington DC suburbs | Registered: Dec 2011  |  IP: Logged | Report this post to a Moderator
sweet_thing
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Member # 52326

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Thank you so much!
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Robin Lee
Volunteer Assistant Director
Member # 90293

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You're very welcome. [Smile]

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Robin

Posts: 6066 | From: Washington DC suburbs | Registered: Dec 2011  |  IP: Logged | Report this post to a Moderator
   

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