My last period started on the 25th july, i started taking my pill as normal on the 31st july. Ihave been feeling nausious with some vomiting from from monday 11th aug, Since friday 15th aug i have been experiencing some discharge with some clots, which is of a very brown colour compared to my normal period. I have been taking my pill as normal without missing any and have not vomited within 12 hours of taking it.. The doctor advised me to take a pregnancy test on friday 15th aug which was negative i also took one on saturday morning which was also negative.