Missing period problem is scary and nerve wracking for any women, especially when they are sexually active. No matter whether the period is one day or a week late, if period hasn’t arrived on time when it was supposed then it could be a huge stressor in such stressful life. In case of late periods, it’s essential to take pregnancy test to confirm whether you are pregnant or not. It is true that in some condition, woman gets a negative test result, even if she is pregnant. This might be due to diluted urine, improper testing, ectopic pregnancy and miscalculation of monthly periods. Retest again with a good branded medical kits and if still test is negative then it’s better to consult a doctor.