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 » Health Women's Health Pregnancy

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 » Health Diagnostics & Imaging

In adults, ibuprofen and hemp food products, including hemp oil supplements, cause false positives for THC, according to The University of North Carolina at Chapel Hill indicates that infants sometimes have a fa... More » Health
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The EPT website provides instructions for using pregnancy tests, locations where EPT tests are sold and coupons to use when purchasing the tests. The website also explains how to read test results. More » Health Women's Health Pregnancy

Blood pregnancy tests can detect pregnancy as early as six to eight days following ovulation, according to WebMD. Urine tests can typically detect pregnancy by the 10th day following a missed period. Urine pregnancy test... More » Health Women's Health Pregnancy

Most home pregnancy tests claim to provide 99 percent accurate results on the first day after a missed period. However, experts recommend waiting up to seven days to get the most accurate results, according to the Office... More » Health Women's Health Pregnancy

A common cause of waist pain in pregnancy is round ligament pain caused by changes in hormones, according to Mayo Clinic. Waist pain can also be the result of general weight gain, which places a strain on the lower back,... More » Health Women's Health Pregnancy