17.You can't lose a tampon — or anything — in your vagina
That moment of panic during sex when you realize you definitely put a tampon in that morning? Yeah, we've all been there. But don't worry, your tampon will only go so far.
At the deep end of your vagina is your cervix, the bottom portion of your uterus. During childbirth, your cervix dilates — opens up — as the baby passes through. But the rest of the time your cervix stays closed, so you can't really get anything accidentally lost or stuck in there.
