If the condom is broken, that means it is no longer containing the semen inside. It can then spill out into your vagina, putting you at risk of pregnancy and STDs.
I'm not sure where you live, but some places allow teenagers to access the morning after pill for free. It is effective if taken up to 72 hours after the condom breaking, but most effective within 24 hours.
Congrats on using condoms - if they are regularly breaking, it might be worth considering if they fit correctly. Also, any sort of oil-based product can cause condoms to burst. (Blow up a condom, knot it like a balloon, and then rub baby oil on it. KaPOW.)
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