I took postinor 2 tablets @once without dimacating each tablet 12hrs apart, am a week and 3 days late,did a preg test and it came negative,I did anoda 1 wiv accucheck test in d early morning but still negative, I feel sick at nite and I av period-like cramps during the day, an odourless discharge which could be heavy @times, am starting to loose it, plss help