Iam 27y,ttc. i took duphaston 10mg 1tb/d for 10. stopped taking 8days before. now iam 3days late for my periods.can i be pregnant?whn shld do hpt?

In a few days...: A urine pregnancy test, done correctly, gives a reliable result 3 weeks after sex (3 weeks after when conception might have occurred), or 1 week after missing a period. If done sooner, a positive result is likely real, but a negative result may be due to testing too soon, and thus lead to a repeat test. If a woman gets her normal regular period, then she is not pregnant, and a test is not needed.