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Although rare, pregnancy tests can give false-positives, according to Mayo Clinic. This could be the result of the loss of the pregnancy shortly after the egg implanted in the uterine wall or as a result of taking the te... More »

A false-positive PSA result can occur due to benign prostate enlargement, a prostate infection, or another condition not related to prostate cancer, explains Mayo Clinic. False-positive PSA test results are common and on... More »

In adults, ibuprofen and hemp food products, including hemp oil supplements, cause false positives for THC, according to CVS.com. The University of North Carolina at Chapel Hill indicates that infants sometimes have a fa... More »

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According to About.com, a blood pregnancy test can detect the levels of hCG and show a positive pregnancy result approximately 8 to 10 days after conception. HCG stands for human chorionic gonadotropin, which is a hormon... More »

While the only fully reliable method of pregnancy detection is a blood test from a doctor, Mayo Clinic explains that early symptoms, such as nausea, increased urination, fatigue and strange food cravings, hint at a pregn... More »

Early warning signs of an ectopic pregnancy are vaginal bleeding and abdominal pain, according to Mayo Clinic. If there is leakage of blood from the fallopian tubes, the individual may experience shoulder pain or the urg... More »

Options for teen pregnancies include adoption, terminating the pregnancy or keeping the child, according to Mayo Clinic. A teen mother needs to discuss these options with her parents and the father's parents. More »