For those concerned about girls' vaginas
You should learn more about
Disorders of Sex Development
http://www.med.umich.edu/yourchild/topics/dsd.htm
https://www.healthychildren.org/English/health-issues/conditions/genitourinary-tract/Pages/Explaining-Disorders-of-Sex-Development-Intersexuality.aspx
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3272549/
https://www.uptodate.com/contents/management-of-the-infant-with-atypical-genitalia-disorder-of-sex-development
If you are not willing to learn, you have no right to comment on it.