Sexual gratification is obtained by inflicting injuries to sexual paner in
Sadisim In sadism, the sexual gratification is obtained by inflicting injuries on the sexual paner. It is most commonly seen in men. To obtain sexual gratification, the sadist may bite , whip, beat, or produce cut injuries on the sexual paner Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 312
Masochism
Sadism
Fetichism
Necrophilia
Sexual offences and infanticide