Hlo sir, madam I rubbed my penis with pre ejaculatory fluid on my gf vaginal opening on 1st of july 2021 and she met with her gynaecologist on 23rd july as she is suffering from pcos doctor recommended her to take krimson 35 and meprate 10 after checking her ultrasound report and she started bleeding on 3rd of august and the bleeding lasts upto 25th of august 2021 and again on 7th of september 2021 again her bleeding starts that lasts upto 14th of september 2021 and after that she took urine pregnancy test on 28th of september 2021 and the results shows her negative is there any chance of pregnancy in this situation. If not than how much percent you are sure about it.