Medical Device Alert: If you think you are expecting, the most readily available solution to clear your doubts is a reliable home pregnancy test undertaken in the privacy of your home. Choose the right pregnancy test kit for reliable HCG results. If the (HPTs) Home Pregnancy Tests is negative the first time you perform it, wait for 72 hours and repeat the test. The first negative result might be because the test was taken too early and the hormone levels had not risen enough to be detected, or it could be because of faulty technique. Repeat the test. Pregnancy tests are usually stored in the refrigerator. So, make sure you bring the test kit to room temperature before you use it. If the pregnancy test is negative? Doctors recommend that you wait until you have missed a period to take a home pregnancy test. (HPT) Take your Gynecologist advice for pregnancy test.