Clinical blood and urine tests can detect pregnancy from six to eight days after fertilization. Home pregnancy tests are urine tests, which normally can detect pregnancy from 12 to 15 days after fertilization.
And what about the question everyone has for the married couple — but is afraid to ask?
The Pregnancy Calculator can estimate the pregnancy schedule based on the due date.
Fewer than 10% of births occur on the due date; 50% of births occur within a week of the due date, and almost 90% occur within two weeks of the due date.
If you do not know your due date, you can use our Due Date Calculator to obtain an estimate.
PHOTOS: Ian and Nina — the way they were An insider reveals to Us that the couple's new address is in none other than Atlanta, Ga., where Somerhalder is currently filming season 6 of with his costar and (amicable! PHOTOS: TV and movie vamps through the years "[Nikki] goes to set every day," the source says, adding that the lovebirds plan to also share an L. Two weeks after Us broke news that they were an item, Somerhalder revealed that he and the alum, 26, were the proud new owners of a horse named Eagle.