the only way to completely avoid anal sex risks is to abstain from anal sex. If you engage in anal sex, it is always important to use a condom to protect against the spread of infections and diseases. Sexual intercourse may be called coitus, copulation, coition, or intercourse. Coitus is derived from the latin word coitio or coire, meaning a coming together or joining together or to go together, and is known under different ancient latin names for a variety of sexual activities, but usually denotes penilevaginal penetration. Having anal sex can increase the risk of bacterial infection, pregnancy, and sexually transmitted infections, and it can worsen hemorrhoids. It is possible to contract many stis through oral sex, including herpes, gonorrhea, and syphilis. Sexual intercourse (or simply called sex) is the insertion and thrusting of a males penis into a females vagina. People and animals that sexually reproduce use sexual intercourse to have an offspring. Sometimes sexual intercourse is called coitus or copulation and is more casually known as having sex or sleeping together. Anal is not inherently more or less intimate than other forms of sex like vaginal, oral, or anything else. Its how you and your partner treat it and each other that informs how it is received. Bestiality is much, much more common than you think you might think that bestiality has died out, or that it only happens on farms, or that its illegal everywhere. sexual intercourse (or coitus or copulation) is principally the insertion and thrusting of the penis, usually when erect, into the vagina for sexual pleasure, reproduction, or both. Other forms of penetrative sexual intercourse include anal sex (penetration of the anus by the penis), oral sex (penetration of the mouth by the penis or.). The work of swiss jurist johann bachofen made a major impact on the study of the history of sexuality. Many authors, notably lewis henry morgan and friedrich engels, were influenced by bachofen, and criticized bachofens ideas on the subject, which were almost entirely drawn from a close reading of ancient mythology. In his 1861 book mother right an investigation of the religious and juridical.