Hi, my Ob-gyne advised me to take duphaston, twice a day for 5 days because i have an irregular menstruation, im married and were trying to have a baby, i finished taking duphaston 6 days from now but no menstruation yet, i took pregnancy test on the 5th day of no menstruation but have a negative result. can i be pregnant? how many days to take pregnancy test again? thanks, lai