hi I had a chemical pregnancy on the 11/08 after witch I tested negative on pgs test I done a preg test on the 5/09 and 3 after that all was positive dr phoned me today to say im not pregnant and the test he done was negative and that there was no way im pregnant its just the hormones from the miscarriage is this possible after I tested negative after the miscarriage and ten days after miscarriage. how accurate are drs tests? xx