Dorothy Kammerer-Doak, Rebecca G. Rogers: Female Sexual Function and Dysfunction (auf Englisch). In: Obstetrics and Gynecology Clinics of North America. Band35. Jahrgang, Nr.2, Juni 2008, S.169–183, doi:10.1016/j.ogc.2008.03.006, PMID 18486835 (sciencedirect.com): „Most women report the inability to achieve orgasm with vaginal intercourse and require direct clitoral stimulation … About 20% have coital climaxes…“
nih.gov
ncbi.nlm.nih.gov
Dorothy Kammerer-Doak, Rebecca G. Rogers: Female Sexual Function and Dysfunction (auf Englisch). In: Obstetrics and Gynecology Clinics of North America. Band35. Jahrgang, Nr.2, Juni 2008, S.169–183, doi:10.1016/j.ogc.2008.03.006, PMID 18486835 (sciencedirect.com): „Most women report the inability to achieve orgasm with vaginal intercourse and require direct clitoral stimulation … About 20% have coital climaxes…“
sciencedirect.com
Dorothy Kammerer-Doak, Rebecca G. Rogers: Female Sexual Function and Dysfunction (auf Englisch). In: Obstetrics and Gynecology Clinics of North America. Band35. Jahrgang, Nr.2, Juni 2008, S.169–183, doi:10.1016/j.ogc.2008.03.006, PMID 18486835 (sciencedirect.com): „Most women report the inability to achieve orgasm with vaginal intercourse and require direct clitoral stimulation … About 20% have coital climaxes…“