I took a home pregnancy test and it came back blank well 30 minutes after i had taken the test it said that it was posi is this an accurate reading ?

Need more info: Did you have unprotected sex? Did you miss a period? It is important to follow the directions for the test carefully, including the time within which the result should be read. If you missed your period by more than 5 days, you should repeat the test. Use first morning urine and follow the instructions for the test carefully. If you do not wish to be pregnant, use contraception all the time, every time. You may consider implanted contraceptive, or IUD. Practice safe sex.