Final answer:
The nurse can determine the girl's risk factors for PID by considering her age at first menses, number of sexual partners, and age.
Step-by-step explanation:
When determining the risk factors for pelvic inflammatory disease (PID) in an adolescent girl, the data that would be most helpful are:
- Age at first menses: The age at which a girl has her first period can provide clues about the duration of sexual activity and exposure to potential STIs.
- Number of sexual partners: Multiple sexual partners increase the risk of contracting sexually transmitted infections (STIs), including the bacteria that cause PID.
- Age: Adolescents are at a higher risk for PID due to their increased sexual activity and higher rates of sexually transmitted infections.
Race is not a known risk factor for PID, so it is not as relevant in determining the girl's risk factors.