Henry Hudson. English explorer Henry Hudson was determined to find the Northwest Passage via the Arctic Circle - even after his crew mutinied. Learn more about his lifelong search in this video. Contents
In summary, it is possible to determine if you are pregnant around 9-10 days after having unprotected sex by doing a blood test for pregnancy, or after around 2 weeks (or more) using the urine test. Taking the tests too early may lead to a negative result, so you may repeat the test after a few more days.
A Answers (1) Follow Following Unfollow Pending Disabled. A Dr. Margaret L. McKenzie, MD , OBGYN (Obstetrics & Gynecology), answered. It takes a number of weeks for you to know if you are pregnant. Watch this video to learn how long it takes to know if you are pregnant.