A person's masculinity and femininity has long been associated with whether a person is perceived as a perpetrator or victim of sexual abuse. We evaluated the effect of masculinity and femininity traits for both victims and perpetrators of first sexual intercourse experience and subsequent sexual intercourse experiences. Undergraduate male (N=40) and female (N=134) college students were surveyed regarding their sexual abuse and levels of masculinity and femininity. Individuals were classified into eight groups: victims of psychological or physical sexual abuse for either first sexual experience or subsequent sexual experiences and likewise for perpetrators. Correlations indicate first sexual experience victims of psychological abuse were associated with lower levels of masculine traits (r = -0.24, p = 0.01); whereas, perpetrators were associated with lower levels of feminine traits (r = -0.19, p = 0.02). During subsequent sexual experiences, perpetrators of psychological sexual abuse were more masculine (r = 0.23, p = 0.01) and less feminine (r = -0.26, p = 0.01), and perpetrators of physical sexual abuse were also more masculine (r = 0.18, p = 0.03) and less feminine (r = -0.36, p = 0.001). Multivariate analyses on subsequent sexual experiences supported an association between lower femininity scores and those who were perpetrators of psychological (AOR = 0.41; p = 0.01) and physical (AOR = 0.30; p = 0.001) sexual abuse, controlling for masculinity, gender and age. Thus, it appears to be a lack of femininity, not an increase in masculinity levels, which predict perpetrators' behavior in subsequent sexual experiences. ..PAT.-Unpublished Manuscript [ABSTRACT FROM AUTHOR]