The dosage may depend on the kind of rape being served.

Littleton HL, Axsom D. Rape and seduction scripts of 
university students: Implications for rape attributions 
and unacknowledged rape. This has implications for sexual health, and HIV and 
STI prevention. Jozkowski KN, Peterson ZD, Sanders SA, Dennis 
B, Reece M. Gender differences in heterosexual college students’ conceptualizations and indicators of sexual consent: Implications for contemporary sexual 
assault prevention education. Adding the female condom to the public health 
agenda on prevention of HIV and other sexually 
transmitted infections among men and women during anal intercourse.
Harawa NT, Admimora A. Incarceration, African Americans, 
and HIV: Advancing a research agenda. Future research should 
focus on two of the findings from this study. Krueger R. Focus groups: A practical guide 
for applied research. Additionally, the women were willing to discuss a stigmatized behavior in a focus group setting.
While focus groups are very good at uncovering the range of experience, they are not good at uncovering how common any 
one experience might be. Whether the most recent experience of anal intercourse is negative or 
positive may determine whether the woman will engage in anal intercourse [cum in ass](https://analcramp.pages.dev "cum in ass") the future, 
but does not really answer the question as to whether she consented 
to it the first time.