Our objective was to access the success rate, and the factors affecting it, of treatment based on Masters and Johnson's sex therapy. For this prospective study, we enrolled 120 couples with unconsummated coitus due to vaginismus. We made a clinical diagnosis after taking a detailed history taking and conducting a clinical examination. Participants completed a questionnaire regarding characteristics of vaginismus after participating in a face-to-face interview. Both of these were done prior to treatment, after 3 months, and after 12 months. We provided sex therapy based on Masters and Johnson's method. Treatment results were then analyzed. After therapy, 93.3% of vaginismic women were successfully penetrated, and 83.3% had regular intercourse with orgasm. The abilities to reach orgasm and sexual desire were not different than that among normal women. There was a correlation between duration of unconsummation and success rate and also between severity of vaginismus, treatment sessions, and success rate. Because of our high success rate, we encourage vaginismic women and their partners to accept aggressive management.
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