Health question: What should be the normal length of 'excited vagina' of the woman?

Hi shoab,

According to the Kinsey Institute, 

"The vagina averages about 3 inches in length and can expand to about
4 inches during sexual stimulation."

KINSEY INSTITUTE SEXUALTIY INFORMATION SERVICES FOR STUDENTS
http://www.indiana.edu/~kisiss/topics/genitalia.html

The Kinsey Institute can be considered a highly reliable source of
information on sex and reproduction.

For further information please see --

THE KINSEY INSTITUTE
http://www.indiana.edu/~kinsey/

Thank you for your question,

K~

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