For some girls this happens without them noticing but for some their is minor dicomfort/pain and a bit of bleeding. If you use tampons believe me it's been stretched in order for the tampon to go into your vagina.
Attention: NOTHING on this site may be reproduced in any fashion whatsoever without explicit consent (in writing) of the owner of said material, unless otherwise stated on the page where the content originated. Search engines are free to index and cache our content. Users who post their account names or personal information in their questions have no expectation of privacy beyond that point for anything they disclose. Questions are otherwise considered anonymous to the general public.