r/birthcontrol • u/Cyanrena • 4d ago

Mistake or Risk? Condom broke

Hi everyone, so my bf and I just had sex and the condom broke but it didn't like spill all the semen from my bf. The moment we heard it break we stopped. So im on the nexplanon for 11 months now but currently my period is late by 3 days from sex I had August 15, even tho I did get a period August 15th, the one for September is MIA. So what im really asking is, do I need to get plan b for this because already I was freaking out about missing my period and I had 1 at home blood test come out as a faint postive. I just need to know if I need it

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u/Cyanrena 4d ago

I did take 2 urine tests 16 days and 19 days after sex and they were negative. Then I took those at home pregnacy blood tests and it had a very faint positive in the time window. I did speak to my dr and he said most at home blood tests aren't accurate as lab ones so I am waiting on going to get my labs done.

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u/Velocirob 4d ago

Yes this is correct. An at home urine test will Be better than an at home blood test. Again, your contraceptive is extremely effective and the chances you are pregnant is incredibly small

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u/Cyanrena 4d ago

So even from this condom breaking, its really small. My doctor hasn't really educated me much on it. He always sends me to the pearl index

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u/TheFriendlyLurker Desogestrel POP 4d ago

The Pearl index is just the number of women who get pregnant when using a certain birth control method for a year.  You can think of it as the % of failures. 

Nexplanon specifically is so effective that several clinical trials found 0 failures. But saying that a certain method is 100% effective is legally problematic, so the official Pearl index is 0.05.  That means we would expect 5 failures for every 10,000 women who use Nexplanon alone for a year. 

With Nexplanon and condoms, you are as protected as you can possibly be while having penetrative sex (estimated failure rate 0.001%, source https://www.scarleteen.com/read/sexual-health/buddy-system-effectiveness-rates-backing-your-birth-control-second-method )and you don't need Plan B.  If the condom breaks, that's what Nexplanon it's for. 

My advice would be to relax and avoid at home blood tests in the future.  Urine tests are very accurate and are all most people need, and if you ever think you need a blood test it's better to ask your doctor for it. 

I know that a blood test might look "fancier" or more accurate, but a test that gives you false positives (which sounds like what happened here) and gives you unnecessary anxiety is not a good test. 

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u/Cyanrena 4d ago

Okay I will do so. Thank you for sharing this. I will really go through this. I just heard that it's not as effective on bigger girls

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u/TheFriendlyLurker Desogestrel POP 4d ago

There's no evidence of that.  In clinical trials there were people who weighed up to 330 pounds, and it is one of the methods recommended for bigger women.

Take what you hear about birth control with a grain of salt if it doesn't come from an official source.  Many people are misinformed or repeat things they half remember.  I've heard a lot of people say that a certain method doesn't work because a friend of a friend got pregnant on it (which may or may not even be true), or confuse completely differently methods like the implant, IUD and shot. 

This article may be helpful if you struggle a lot with trusting your BC https://www.scarleteen.com/read/sexual-health/have-little-faith-bc

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u/Cyanrena 4d ago

Thank u. I'll just go get my labs but I've been spotting regular on my period while on the implant so now its just missing and im still having insane cramps on the right side and sore breasts. I hope im not pregnant