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If I ejaculate inside my girlfriend when she’s been taking the birth control pill on a regular basis, can she get pregnant?

When you use the birth control pill correctly, it gives you really great protection against pregnancy  —  even if semen (cum) gets into the vagina. If you use it perfectly, the pill is 99% effective. But people aren’t perfect and it’s easy to forget or miss pills — so in reality the pill is about 93% effective. That means about 7 out of 100 pill users get pregnant each year.

The better you are about using the pill correctly, the better it will work. Using the pill correctly means you're taking it every day according to the directions, and starting each new pack of pills on time. If remembering the pill every day is hard, there are other types of birth control — like the shot, the implant, and the IUD — that are more convenient and effective.

But no method of birth control is 100% effective, and there's still a small chance pregnancy could happen, even if you use your birth control perfectly. Using a condom along with your other method can give you extra protection from pregnancy. And bonus — condoms also help protect against STDs

Tags: pregnancy, birth control