some women have the elusive G-spot (and vaginal orgasms) and some don’t. Gravina, G.L., Brandetti, F., Martini, P., Carosa, E., Di Stasi, S.M., Morano, S., Lenzi, A. & Jannini, E.A. (2008) Measurement of the thickness of the urethrovaginal space in women with or without vaginal orgasm. Journal of Sexual Medicine 5: 610–618.
