Upon discovering syphilis during a medical exam of a minor, your first action should be to:

Upon discovering syphilis during a medical exam of a minor, taking immediate steps to investigate for possible criminal sexual conduct is crucial for several reasons. First and foremost, syphilis is a sexually transmitted infection, and in a minor, it raises significant concerns about potential abuse or exploitation. Investigating possible criminal sexual conduct ensures that the safety and well-being of the child are prioritized.

Additionally, there are legal and ethical obligations for healthcare providers to report suspected cases of child abuse or neglect. This action helps initiate the necessary interventions, including medical treatment for the minor and involvement of appropriate authorities to ensure the child's protection.

In this context, performing a medical report or ignoring the condition may not adequately address the urgent need to protect the child from potential harm. Similarly, removing the child from their home immediately may not be warranted and could complicate the situation without proper investigation and due process. The priority remains to conduct a thorough investigation while ensuring the child receives the appropriate medical care and support.