The first major cause of abortion among teenagers is lack of knowledge about sex. Parents and teachers. Including medical professionals giving knowledge about sexual activities and protection is one way to reduce pregnancy in teenagers which is the cause of the abortion. According to Gorana Hitec (n.d), “Learning about sexual abuse prevention is necessary, but it is not enough to ensure children’s safety. Prevention of this type of abuse and teaching about it are the responsibility of adults. Children by nature are particularly vnlnerable to all type of abuse because of their temporary helplessness and dependence on adults and their lack of knowledge about danger and self-protection.” thus, การปลูกฝังคำแนะนำและความรู้ที่ดีเกี่ยวกับเพศสัมพันธ์กับเด็กที่กำลังจะเติบโตเป็นวัยรุ่นเป็นการเริ่มต้นการป้องกันการท้องที่ดีที่สุด