I had sex with my Fiancee 3days after she finished her menses.she took the 1st tablet of postinor2 13hrs after and the 2nd tablet 6hrs later.few days later(3-4),she saw a discharge,said her V-discharge is heavier n smells stronger.then about 4-5days later,she bled (like her menses) for about 3days.its nw over two weeks she bled,she is now having heavier discharge,thick,not smelling,not really whitish.she has taken Urine test which was negative.Pls could she be pregnant?