Many of us have probably had bad, inaccurate information about sex drilled into our minds at some point in our lives — whether it came from a well-meaning but uninformed friend or somewhere in the vast abyss of the internet.

There are so many sex myths out there that it can be daunting to attempt to separate fact from fiction. Can you really get pregnant on your period? Will your birth control make you more likely to be depressed?

That's where we step in. Here at Refinery29, we're all about sex positivity — and that includes being educated about sex. After all, healthy sexual experiences begin with being able to debunk the damaging myths you've been taught to believe.

Without further ado, here are 30 myths about sex that we need to stop believing.