VIETNAM SEX NO FURTHER A MYSTERY

Interest in anal intercourse has also originate from study in human immunodeficiency virus (HIV) transmission. Quite a few studies have quantified the increased chance of heterosexual transmission from a single act of anal intercourse as compared to 1 act of vaginal intercourse (Boily et al., 2009; Leynaert, Downs, & de Vincenzi, 1998; Powers, Pool