11. Dover concludes that the Greeks conceived of same-sex relations primarily as anal intercourse . 12. His performance featured tambourine-playing and movements of the buttocks that suggested anal intercourse . 13. About half had experienced anal intercourse , and the majority found it a negative experience. 14. The chapter continues to clain that anal intercourse is a routine practice among many Muslim women. 15. Men : Must be gay or bisexual and have had anal intercourse within the past 12 months. 16. Unprotected anal intercourse , an efficient method for transmitting the AIDS virus, is becoming more common. 17. Apart from the STI transmission risks, other risks such as infection are high regarding anal intercourse . 18. Until 1866, interaction " against nature " [ anal intercourse ] was punishable with the stakes. 19. Many such ceramics while others show skeletons engaged in lesbian anal intercourse and gay male anal intercourse. 20. Many such ceramics while others show skeletons engaged in lesbian anal intercourse and gay male anal intercourse .
