In a word: no. Tampons cannot stretch your vagina out no matter how many you use, or how many years you use them for. ... A virgin may have more difficulty inserting a tampon, and a tampon might break a hymen – but it won't stretch your vagina.
Does a tampon stretch you out?
MYTH: Tampons stretch out your vagina.
FACT: Not a chance. Vaginas are stretchy to begin with. If a baby can come out of a vagina, a tampon can easily go in without changing anything.
Does putting a tampon in feel like losing your virginity?
No. Most people agree that using tampons does not cause a woman to lose her virginity.