You are 13 days delayed when can you start the pregnancy test to find out youre really pregnant?

You can take a pregnancy test 14 days after you have sex because most home pregnancy tests can detect the pregnancy hormone (hCG) in your urine about 14 to 15 days after ovulation. So you can assume if the intercourse took place in your day of ovulation then in about 2 weeks when a period is also expected that when home pregnancy tests will return accurate test results