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.
Most likely you won't notice any symptoms until about the time you've missed a period -- or a week or two later. [ Source: http://www.chacha.com/question/how-soon-do-you-start-to-feel-sick-when-you-are-pregnant ] More Answers to How soon do you start to feel sick when you are pregnant.