In the classic 1980s film, Back to the Future 2, Marty McFly and Dr. Emmet Brown used a car fitted with a time machine to travel 30 years in the future, arriving on Oct. 21, 2015.
The time it takes for a pregnancy test to become negative following a miscarriage depends upon the gestational age at the time of miscarriage. For any pregnancy, whether it ends at term, preterm, or in miscarriage, a urine pregnancy test should be negative after six weeks. If it is not, there are three concerns:or any pregnancy, whether it ends at term, preterm, or in miscarriage, a urine pregnancy test should be negative after six weeks.
Also, very few things will affect the outcome of a home pregnancy test. The few things that might have an impact include drugs that contain the hormone HCG, which might result in a false positive. Drugs, stress, painkillers, birth control pills, alcohol, and the like will not give a false positive. So, if you take a home pregnancy test and receive a positive result you are more than likely pregnant! Keep in mind, too, that just because you receive a negative result does not mean you are 100% not pregnant.