I have irregular periods, i had unprotected sex when can i take a pregnancy test?

After missed period: . Many manufacturers of urine pregnancy tests want you to believe that the urine test is usually positive before a missed period, but only about 25% of pregnant women will test positive with the HPT 2 days before a missed period, and about 40% the day before the missed period. - Best to wait a for a few days after your missed period to do the test.

One week: After unprotected intercourse A urine pregnancy test will turn positive if you did conceive