Sexual abuse is an important public health problem with the prevalence of 7-36% in women and 3-29% in men. While sexual abuse can be seen at all ages, adolescent pregnancy is an important negative result of sexual abuse in adolescence. Considering the risks of psychosocial stress factors influencing adolescents' mental health negatively and causing developmental delays, having a child at adolescent age can not be appropriate for adolescents and adolescents can not take care of a child or can not take on the responsibilities of a parent. Due to item 99/6 of Turkish Criminal Code which came into effect in July of 2005, gestation termination can be in the first 10 weeks of pregnancy as a normal legal procedure but if the gestation is the result of a sexual abuse, gestation termination time is extended to the first twenty weeks of pregnancy. Due to Gestation termination and sterilization employments' implementation and inspection policy guidelines which came into effect as a decision of the Council of Ministers on the 14th of November in 1983; in adolescent pregnant who have mental disorders, gestation termination can be done after first ten weeks because of their mental disorders. This is a case report about the process of gestation termination decision and termination period of a 16 year old pregnant girl with a medication for bipolar disorder and mental retardation, who learnt the pregnancy in its sixteenth week and then consulted to the obstetrics and gynecology clinic for termination of gestation.