Substance abuse can lead to teenage pregnancy in several ways. When individuals abuse drugs or alcohol, their decision-making and judgment can become impaired, leading to risky behaviors, including unprotected sex. Substance abuse can also lead to decreased inhibition, making it more difficult for individuals to resist peer pressure or the desire for immediate gratification. Substance abuse can also negatively affect relationships, including sexual relationships, which can lead to unintended pregnancy. Additionally, substance abuse can contribute to mental health issues, such as depression and anxiety, which can also increase the likelihood of engaging in risky behaviors, including unprotected sex. It is important for individuals struggling with substance abuse to seek help and support to address their addiction and reduce their risk of negative outcomes, including unintended pregnancy.