Follow-up tests are done to check for pregnancy and STIs: At 1 week: Gonorrhea, chlamydial infection, and trichomoniasis in patients who refused prophylactic treatment At 2 weeks: Pregnancy At 4 to 6 weeks: Syphilis and HIV infection At 3 months: Syphilis, hepatitis, and HIV infection If the patient has amnesia for events around the time of rape, drug screening for flunitrazepam (the date rape drug) and gamma hydroxybutyrate should be considered.