Can My Girlfriend Get Pregnant If I Fingered Her With Some Pre-ejaculate On My Finger, And Her Period Is Now Late?

fingerd my gf with some pre ejaculate on it i serach on google they are showing that she will become pregnant ..im so depresed at 31 oct she had the periods now the date is coming but there is no symptom of date is showimg im getting so scared day by day pls tell me what can happen