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Spotting in early pregnancy is fairly common, but it should never be considered normal, and it always warrants a call to your ob-gyn, Dr. Landy says. Although the presence of spotting does not always indicate a miscarriage, it is a sign that something abnormal may be going on in the pregnancy, she adds.
With their digital test, they say 55% get a positive result 3 days before a woman s period is due, 87% 2 days before, and 92% one day before. First Response and Answer say Answer Quick & Simple Early Result Pregnancy Test can detect the pregnancy hormone as early as 4 days before you expect your period.