I and my gf had unprotected sex on 4th day of her period (28 day cycle), I made her to eat papaya alot and she had flight journey there after and after 12 days she had spotting, we had sex on that day after some time she bleed heavily, and know when her period is due 1 day I made ger to go through pregnancy test it came out negative, and she must get her period on april 18th, today is april 19th she did not get her period, is there any chances of her getting pregnant? She bleed mid cycle so she might not get her periods in time which one is true? Please give me answer in detail? Thank you!