Could you be pregnant if you missed your period and a home pregnancy test show positive?

Yes, that is what positive means, you are pregnant. Yes. The best thing to do is to go to a doctor to have it confirmed. Pregnancy tests have a slight margin of error. They show positive if you have the preganacy hormone in your body. However, sometimes they show positive foir other medical reasons. It is safe to assume if you have missed your period and your at home test is positive then you are pregnant.