About your gf itching in vaginal orifice may be due fungal infection called candidiasis , and lower abdominal pain is due to Urinary tract infection .
There is no chance of pregnancy as long as you are sure of ejaculating outside the introitus .
Next Steps
Advice - tests
1 Urine Routine
2. Urine Culture and sensitivity
Early morning sample is best . Collect sterile bottle for culture from lab
- Get the report and visit a physician further treatment .
- for itching use local application of candid B cream .
Health Tips
Never have sex without condom .