She have her periods on 7 and I have done only fingering on the 17 without sperm on my hand and than i have cum on her thumb than after she have putted down her thirt first than from top she have putted her underwear but we dont know that sperm was getted on her thumb or not but for safety she have taken unwanted 72 hours on 18 at 2 pm but 23 brown bleeding comes out it last on 27 than on 28 we tested pregnancy test by prega news which was negative but on same day some white fluid coming out from it so tell me is she pregnant or not and for how much days the white fluid will last..