Our expert says:
Dear blerta,<br><br>The vaginal opening and canal is a potential space, not a specific size, like you get penises of various sizes. The vagina has the potential to stretch to accommodate the head of a baby during birth. So the insertion of a finger into the vaginal opening does not have any effect on how wide it can open.
Please note: this, and all sexual activity, should only be done with someone over the age of consent AND with their permission.
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